login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A253706 Primes in the 8th-order Fibonacci numbers A079262. 1
2, 509, 128257, 133294824621464999938178340471931877, 4596852049500861351052672455121859744010232939954169259264638023409631672658340253083284317818242062413 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(6) is too large to display here. It has 395 digits and is the 1322nd term in A079262.

LINKS

Table of n, a(n) for n=1..5.

MATHEMATICA

a={0, 0, 0, 0, 0, 0, 0, 1}; step=8; lst={}; For[n=step, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], AppendTo[lst, sum]]; a=RotateLeft[a]; a[[step]]=sum]; lst

PROG

(PARI) lista(nn) = {gf = x^7/(1-x-x^2-x^3-x^4-x^5-x^6-x^7-x^8); for (n=0, nn, if (isprime(p=polcoeff(gf+O(x^(n+1)), n)), print1(p, ", ")); ); } \\ Michel Marcus, Jan 12 2015

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, A060455, A253318, A079262, A253705.

Sequence in context: A178468 A024032 A172232 * A109032 A109111 A004886

Adjacent sequences:  A253703 A253704 A253705 * A253707 A253708 A253709

KEYWORD

nonn

AUTHOR

Robert Price, Jan 09 2015

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 26 15:11 EDT 2022. Contains 354884 sequences. (Running on oeis4.)