A242325 Prime terms in the tribonacci-like sequence A214827.

5, 5, 11, 37, 127, 233, 1451, 4909, 9029, 16607, 103333, 37314473023, 232180447061, 2657194941637, 13356042204482014297297131147848321, 4717604056747741831285902446873182186115052544834224581062711115537322612895948580479

Offset

1,1

Comments

a(17) is too large to display here having 133 digits. It corresponds to A214827(501).

Links

Table of n, a(n) for n=1..16.

Mathematica

a={1, 5, 5}; Print[5]; Print[5]; For[n=3, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[sum]]; a=RotateLeft[a]; a[[3]]=sum]

Crossrefs

Cf. A001590, A100683, A231574, A231575, A232543, A214899, A020992, A233554. A214727, A234696, A141523, A235862,A214825, A235873, A214827, A242324.

Sequence in context: A299591 A350920 A173316 * A098331 A222575 A222681

Adjacent sequences: A242322 A242323 A242324 * A242326 A242327 A242328

Keyword

nonn

Author

Robert Price, May 10 2014

Status

approved