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Primes in the hexanacci numbers sequence A000383.
12

%I #28 Dec 04 2014 12:53:53

%S 11,41,72426721,143664401,565262081,4160105226881,253399862985121,

%T 997027328131841,212479323351825962211841,

%U 188939838859312612896128881921,22828424707602602744356458636161,661045104283639247572028952777478721

%N Primes in the hexanacci numbers sequence A000383.

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

%t 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]

%Y 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.

%K nonn

%O 1,1

%A _Robert Price_, Dec 03 2014