A249413 Primes in the hexanacci numbers sequence A000383.

11, 41, 72426721, 143664401, 565262081, 4160105226881, 253399862985121, 997027328131841, 212479323351825962211841, 188939838859312612896128881921, 22828424707602602744356458636161, 661045104283639247572028952777478721

Offset

1,1

Comments

a(13) is too large to display here. It has 62 digits and is the 210th term in A000383.

Links

Table of n, a(n) for n=1..12.

Mathematica

a={1, 1, 1, 1, 1, 1}; For[n=6, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[sum]]; a=RotateLeft[a]; a[[5]]=sum]

Crossrefs

Cf. A001590, A001631, A100683, A231574, A231575, A232543, A214899, A020992, A233554, A214727, A234696, A141523, A235862, A214825, A235873, A001630, A241660, A247027, A000288, A247561, A000322, A248920, A000383, A247192.

Sequence in context: A104118 A159561 A020452 * A003356 A063152 A338627

Adjacent sequences: A249410 A249411 A249412 * A249414 A249415 A249416

Keyword

nonn

Author

Robert Price, Dec 03 2014

Status

approved