A171459 Numbers n such that 1+6*10^n+100^n is prime.

2, 4, 24, 32, 34, 72, 75, 164, 532, 1335, 4704

Offset

1,1

Comments

No more terms up to n=7800. The value corresponding to 4704 was certified prime with WinPFGW.

Links

Table of n, a(n) for n=1..11.

Prog

(PARI) is(n)=ispseudoprime(1+6*10^n+100^n) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Sequence in context: A090591 A098656 A138611 * A240558 A163896 A350813

Adjacent sequences: A171456 A171457 A171458 * A171460 A171461 A171462

Keyword

more,nonn

Author

Jason Earls, Dec 09 2009

Status

approved