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A126092 a(1)=2, a(2)=3, a(3)=5; a(n) = largest prime < a(n-1)+a(n-2)+a(n-3). 1
2, 3, 5, 7, 13, 23, 41, 73, 131, 241, 443, 811, 1493, 2741, 5039, 9257, 17033, 31327, 57601, 105953, 194869, 358417, 659237, 1212521, 2230159, 4101907, 7544573, 13876601, 25523011, 46944179, 86343787, 158810947, 292098907, 537253631 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Israel, Table of n, a(n) for n = 1..3775

MAPLE

f:= proc(n) option remember; prevprime(procname(n-1)+procname(n-2)+procname(n-3)) end proc:

f(1):= 2: f(2):= 3: f(3):= 5:

map(f, [$1..100]); # Robert Israel, Mar 12 2018

MATHEMATICA

nxt[{a_, b_, c_}]:={b, c, NextPrime[a+b+c, -1]}; NestList[nxt, {2, 3, 5}, 40][[All, 1]] (* Harvey P. Dale, Jun 09 2018 *)

CROSSREFS

Cf. A055501.

Sequence in context: A182315 A233862 A235394 * A132394 A295262 A006992

Adjacent sequences:  A126089 A126090 A126091 * A126093 A126094 A126095

KEYWORD

nonn,changed

AUTHOR

Zak Seidov, Mar 03 2007

STATUS

approved

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Last modified June 22 03:38 EDT 2018. Contains 305646 sequences. (Running on oeis4.)