A104534 Indices of prime tetranacci numbers.

3, 7, 11, 12, 36, 56, 401, 2707, 8417, 14096, 31561, 50696, 53192, 155182

Offset

1,1

Links

Table of n, a(n) for n=1..14.

Tony D. Noe and Jonathan Vos Post, Primes in Fibonacci n-step and Lucas n-step Sequences, J. of Integer Sequences, Vol. 8 (2005), Article 05.4.4

Eric Weisstein's World of Mathematics, Tetranacci Number

Eric Weisstein's World of Mathematics, Integer Sequence Primes

Formula

A000078(a(n) + 2) = A104535(n). - Andrew Howroyd, Oct 08 2024

Crossrefs

Cf. A000078, A104535.

Sequence in context: A263737 A055050 A096346 * A062823 A031466 A045062

Adjacent sequences: A104531 A104532 A104533 * A104535 A104536 A104537

Keyword

nonn,changed

Author

Eric W. Weisstein, Mar 13 2005

Extensions

a(14)=155182 found by Eric W. Weisstein, Oct 28 2005

Status

approved