A271309 - OEIS

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

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A271309

Integers k such that A264137(k) < A060385(k).

52, 60, 65, 74, 75, 76, 85, 108, 111, 121, 124, 125, 127, 131, 132, 140, 144, 150, 153, 156, 158, 172, 175, 180, 183, 185, 195, 201, 209, 213, 216, 220, 225, 250, 263, 287, 300, 301, 327, 328, 335, 337, 339, 344, 356, 370, 402, 404, 408, 412, 417, 423, 433, 435

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

For all corresponding values of k, A000129(k) is a composite number. In other words, k cannot be a term of A096650.

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..74

EXAMPLE

52 is a term because A264137(52) = 66923 < A060385(52) = 90481.

PROG

(PARI) a060385(n) = my(f=factor(fibonacci(n))[, 1]); f[#f];

a000129(n) = ([2, 1; 1, 0]^n)[2, 1];