Jorg's numbers

1234567891011121314
Across
  1. 5. 12 25 7 1 20 21 18 5 (J=10)
  2. 6. Life of
  3. 7. Proposition number 47 from Book I of Euclid’s Elements
  4. 12. Euclides has five of them
  5. 13. Most famous sequence
  6. 14. Limit for stars
Down
  1. 1. French pie chart
  2. 2. Congratulations
  3. 3. Smallest infinite
  4. 4. Not google
  5. 8. This code for Jorg is 106 111 114 103
  6. 9. Number of particles in a mole
  7. 10. His triangle shows us how many ways heads and tails can combine
  8. 11. Not as important as a theorem
  9. 13. The smallest number that is the sum of two non-zero square numbers