A375571 a(n) is the unique integer k such that A008949(A375570(n),k) = n.

0, 1, 1, 2, 1, 1, 2, 3, 1, 1, 2, 1, 1, 1, 3, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 2, 1, 4, 5, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 1, 1, 1, 1, 1, 5, 6, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1

Offset

1,4

Links

Table of n, a(n) for n=1..87.

Formula

A008949(A375570(n),a(n)) = n.

a(2^n) = n.

a(2^n-1) = n-1.

Crossrefs

Cf. A008949, A357327, A375570.

Sequence in context: A133233 A174430 A116361 * A106796 A265743 A082850

Adjacent sequences: A375568 A375569 A375570 * A375572 A375573 A375574

Keyword

nonn

Author

Pontus von Brömssen, Aug 19 2024

Status

approved