Across
- 1. the first three digits of pi when written in base 8
- 3. the ultimate answer to life, the universe, and everything
- 5. 12th Fibonacci number (the first two being 1 and 1) divided by the 12th square number plus the 12th triangle number = A
- 7. a Mersenne prime = B
- 9. the number of 8-digit palindromic numbers plus the cardinality of the power set of {1,2,3,4,5,7,8,9,10}
- 10. has exactly 3 factors
- 11. [e^2+e+1]!
- 13. Z^4+2Z, where Z = 5cos(arctan(4/3))
- 14. B - A^2
Down
- 1. 44 x 33 x 22 x 11
- 2. a taxicab number
- 4. the number of unique anagrams of the word 'Etonian'
- 6. the sum of two different fifth powers
- 7. the sum of all positive factors less than this number
- 8. a seventh power = D
- 9. C + D
- 12. the sum of the solutions to the equation: '11x^5-135795x^4+22x^3-19x^2+1447890x-7 = 0' = C