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A226938 Primes p such that p^4 + p - 1, p^4 + p^2 - 1, p^4 + p^3 - 1 are also prime. 1
2, 3, 13, 43, 4909, 21283, 47417, 57301, 59951, 72647, 98713, 132623, 135841, 149101, 153371, 285463, 343489, 355519, 360823, 375101, 396997, 405901, 447197, 452377, 458797, 501173, 532379, 557153, 605947, 610199, 614071, 616079, 627901, 644051, 656141, 668417 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Peter J. C. Moses, Table of n, a(n) for n = 1..2000

FORMULA

A226770(a^4(n) - 1) = 3.

MATHEMATICA

Select[Prime[Range[10000]], And@@PrimeQ[#1+{#2, #2^2, #2^3}]&[#^4-1, #]&] (* Peter J. C. Moses, Jul 05 2013 *)

CROSSREFS

Cf. A226770, A227129, A227276.

Sequence in context: A280005 A235626 A164133 * A301395 A206776 A275556

Adjacent sequences:  A226935 A226936 A226937 * A226939 A226940 A226941

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Jul 05 2013

EXTENSIONS

More terms from Peter J. C. Moses

STATUS

approved

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Last modified November 17 00:08 EST 2019. Contains 329209 sequences. (Running on oeis4.)