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 A122127 Indices n such that A122102[n] = Sum[ Prime[k]^4, {k,1,n}] is a prime. 2
 2, 32, 90, 110, 134, 152, 168, 180, 194, 212, 222, 234, 270, 290, 300, 302, 368, 530, 540, 548, 570, 582, 630, 650, 698, 810, 848, 888, 914, 920, 930, 968, 990, 1100, 1122, 1148, 1218, 1232, 1242, 1320, 1340, 1350, 1364, 1388, 1418, 1448, 1452, 1514 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Corresponding primes of form Sum[ Prime[k], {k,1,n} ] are listed in A122128[n] = {97,1567204831,771745495049,...}. LINKS MATHEMATICA Select[Range[1514], PrimeQ[Sum[Prime[k]^4, {k, 1, #1}]]&] CROSSREFS Cf. A122102, A122128. Sequence in context: A103028 A139732 A037313 * A303078 A226395 A257965 Adjacent sequences: A122124 A122125 A122126 * A122128 A122129 A122130 KEYWORD nonn AUTHOR Alexander Adamchuk, Aug 20 2006 STATUS approved

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Last modified February 8 11:17 EST 2023. Contains 360138 sequences. (Running on oeis4.)