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A168454 Terms of A123239 which are primes in Z(sqrt(2)). 2
3, 11, 13, 37, 59, 61, 67, 83, 107, 109, 131, 157, 179, 181, 227, 229, 251, 277, 307, 347, 349, 373, 397, 419, 421, 443, 467, 491, 523, 541, 547, 563, 587, 613, 619, 659, 661, 683, 709, 733, 757, 787, 827, 829, 853, 877, 883, 947, 971, 997, 1019 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..51.

MATHEMATICA

MangammalQ[p_] := Block[{k = 3}, While[k > 2, k = Mod[3 k, p]]; k != 2];

A168454 = Select[Prime[Range[185]], MangammalQ[#] && MemberQ[{3, 5}, Mod[#, 8]] &] (* Ray Chandler, Jul 21 2011 *)

CROSSREFS

Cf. A003629, A123239, A168367.

Sequence in context: A018450 A302304 A119145 * A181086 A274343 A113049

Adjacent sequences:  A168451 A168452 A168453 * A168455 A168456 A168457

KEYWORD

nonn

AUTHOR

A.K. Devaraj, Nov 26 2009

EXTENSIONS

Extended by Ray Chandler, Jul 21 2011

STATUS

approved

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Last modified January 19 15:37 EST 2020. Contains 331049 sequences. (Running on oeis4.)