Number puzzle

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Across
  1. 2. Find the sum of the first 100 terms of 14, 29, 44, ...
  2. 4. Find the 120th term of 5, 18, 31, ...
  3. 6. Find the 150th term of 6, 14, 22, ...
  4. 8. Find the 15th term of geometric sequence: 7, 21, 63, ...
  5. 10. Find the sum of the first 100 terms of 3, 10, 17, ...
  6. 14. Find the sum of the first 180 terms of 10, 25, 40, ...
  7. 15. Find the 300th term of 5, 17, 29, ...
  8. 18. Find the 18th term of geometric sequence: 4, 12, 36, ...
  9. 20. Find the 140th term of 6, 21, 36, ...
  10. 22. Find the midpoint of (2400, 3600) and (10400, 13600)
  11. 27. Find the sum of the first 150 terms of 8, 23, 38, ...
  12. 28. Find the sum of the first 180 terms of 20, 35, 50, ...
  13. 31. Find the midpoint of (1100, 2100) and (9100, 10100)
  14. 32. Find the sum of the first 10 terms of geometric sequence: 4, 12, 36, ...
  15. 33. Find the sum of the first 8 terms of geometric sequence: 3, 9, 27, ...
  16. 34. Find the sum of the first 15 terms of geometric sequence: 2, 6, 18, ...
  17. 36. Find the sum of the first 200 terms of 9, 21, 33, ...
  18. 38. Find the midpoint of (2300, 7400) and (6700, 15800)
Down
  1. 1. Find the midpoint of (4800, 9200) and (9600, 18400)
  2. 3. Find the 200th term of the arithmetic sequence: 32, 48, 64, ...
  3. 4. Find the 20th term of geometric sequence: 3, 6, 12, ...
  4. 5. Find the sum of the first 12 terms of geometric sequence: 6, 18, 54, ...
  5. 7. Find the sum of the first 120 terms of 12, 27, 42, ...
  6. 9. Find the midpoint of (1200, 4800) and (6800, 15200)
  7. 11. Find the 80th term of 15, 28, 41, ...
  8. 12. Find the sum of the first 120 terms of 12, 27, 42, ...
  9. 13. Find the 10th term of geometric sequence: 2, 10, 50, ...
  10. 16. Find the 250th term of 7, 20, 33, ...
  11. 17. Find the sum of the first 250 terms of 11, 19, 27, ...
  12. 19. Find the midpoint of (1200, 3400) and (4500, 8700)
  13. 21. Find the 12th term of geometric sequence: 5, 15, 45, ...
  14. 23. Find the 100th term of the arithmetic sequence: 12, 25, 38, ...
  15. 24. Find the 220th term of 13, 28, 43, ...
  16. 25. Find the midpoint of (3500, 6700) and (11500, 18700)
  17. 26. Find the midpoint of (750, 1800) and (6750, 11800)
  18. 29. Find the sum of the first 14 terms of geometric sequence: 5, 15, 45, ...
  19. 30. Find the 180th term of 11, 26, 41, ...
  20. 33. Find the sum of the first 150 terms of 7, 15, 23, ...
  21. 35. Find the midpoint of (1250, 5600) and (4750, 10400)
  22. 37. Find the midpoint of (5000, 9000) and (15000, 21000)