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

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];
a264137(n) = my(p=factor(a000129(n))[, 1]); p[#p];
lista(nn) = for(n=3, nn, if(a264137(n) < a060385(n), print1(n, ", ")));

Crossrefs

Cf. A060385, A096650, A264137.

Sequence in context: A095517 A025369 A025360 * A045178 A124471 A107933

Adjacent sequences: A271306 A271307 A271308 * A271310 A271311 A271312

Keyword

nonn

Author

Altug Alkan, Apr 03 2016

Extensions

a(37)-a(54) from Amiram Eldar, May 19 2024

Status

approved