A335792 Composite numbers k such that A335791(k) = k.

4, 8, 16, 21, 22, 25, 32, 44, 62, 64, 88, 95, 124, 125, 169, 176, 185, 248, 289, 299, 341, 352, 475, 485, 496, 682, 703, 704, 901, 925, 992, 1003, 1027, 1241, 1363, 1364, 1469, 1681, 1817, 1819, 1843, 1943, 1984, 2119, 2197, 2249, 2375, 2425, 2599, 2669, 2728

Offset

1,1

Comments

These composite numbers might be factored by considering other initial value or other polynomial than those used in A335791.

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, C program for A335792

Example

The number 62 is composite and A335791(62) = 62, so 62 belongs to the sequence.

Prog

(C) See Links section.

Crossrefs

Cf. A335791.

Sequence in context: A272753 A272804 A237990 * A312807 A312808 A249486

Adjacent sequences: A335789 A335790 A335791 * A335793 A335794 A335795

Keyword

nonn

Author

Rémy Sigrist, Jun 23 2020

Status

approved