A053412 -id:A053412 - cp's OEIS frontend

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A053408 Numbers k such that A003266(k) + 1 is prime.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 22, 28

Offset: 1

G. L. Honaker, Jr., Jan 08 2000

Next term > 300. - Joerg Arndt, Aug 16 2014
The corresponding primes are given in A053413. - Joerg Arndt, Aug 17 2014
If it exists, a(11) > 1100. - Robert Price, May 27 2019

C. K. Caldwell, Fibonacci Numbers
Eric Weisstein's World of Mathematics, Fibonacci Number.
Eric Weisstein's World of Mathematics, Fibonorial

Cf. A000040, A000045, A003266, A053412, A053413, A059709.

Select[Range[30], PrimeQ[Fibonorial[#] + 1] &] (* Robert Price, May 26 2019 *)

ff(n)=prod(i=1, n, fibonacci(i));
for(n=1,10^6, if(ispseudoprime(ff(n)+1), print1(n,", "))); \\ Joerg Arndt, Aug 16 2014

Definition edited by Daniel Forgues, Nov 29 2009

Edited definition, Joerg Arndt, Aug 17 2014

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