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A230607 Primes in the tribonacci-like sequence A214899. 29
2, 2, 5, 173, 1979, 10035601, 1314434453, 15043078019, 75946890143515970461691, 9947307490759622919990767, 33651500197152003774080593, 113842209720657202395344053, 577291982170349695261586984393, 33503139717732963900675717496847941 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

MATHEMATICA

a={2, 1, 2}; Print[2]; Print[2]; For[n=3, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[sum]]; a=RotateLeft[a]; a[[3]]=sum]

Select[LinearRecurrence[{1, 1, 1}, {2, 1, 2}, 300], PrimeQ] (* Harvey P. Dale, Jul 30 2015 *)

CROSSREFS

Cf. A001590, A100683, A231574, A231575, A232543, A214899.

Sequence in context: A114715 A270750 A234703 * A036739 A158311 A158061

Adjacent sequences:  A230604 A230605 A230606 * A230608 A230609 A230610

KEYWORD

nonn

AUTHOR

Robert Price, Dec 05 2013

EXTENSIONS

More terms from Harvey P. Dale, Jul 30 2015

STATUS

approved

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Last modified December 3 21:14 EST 2016. Contains 278745 sequences.