Integers n such that 10^n + 5^n + 2^n is a prime.
A276741
Integers n such that 10^n + 5^n + 2^n is a prime.
Terms
- a(0) =0a(1) =1a(2) =7a(3) =31a(4) =37a(5) =71a(6) =235a(7) =515a(8) =1199a(9) =1815a(10) =6587a(11) =30429a(12) =35589a(13) =42147a(14) =58571
External references
- oeis: A276741