A242197 - OEIS

A242197

Numbers k such that k*14^k + 1 is prime.

3, 5, 6, 9, 33, 45, 243, 252, 1798, 2429, 5686, 12509, 42545

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OFFSET

1,1

LINKS

MATHEMATICA

Select[Range[2000], PrimeQ[# 14^# + 1] &]

PROG

(Magma) [n: n in [0..2000] | IsPrime(n*14^n+1)];

(PARI) is(n)=ispseudoprime(n*14^n+1) \\ Charles R Greathouse IV, Jun 06 2017

CROSSREFS

Cf. similar sequences listed in A242176.

KEYWORD

nonn,more

AUTHOR

EXTENSIONS

a(10)-a(13) from Loeh's list (see Links) - Bruno Berselli, May 08 2014

STATUS

approved