A375570 Smallest m such that A008949(m,k) = n for some k.

0, 1, 2, 2, 4, 5, 3, 3, 8, 9, 4, 11, 12, 13, 4, 4, 16, 17, 18, 19, 20, 6, 22, 23, 24, 5, 26, 27, 7, 29, 5, 5, 32, 33, 34, 35, 8, 37, 38, 39, 40, 6, 42, 43, 44, 9, 46, 47, 48, 49, 50, 51, 52, 53, 54, 10, 6, 57, 58, 59, 60, 61, 6, 6, 64, 65, 11, 67, 68, 69, 70

Offset: 1

Author

Pontus von Brömssen, Aug 19 2024

Keywords

• nonn

Crossrefs

Cf. A008949, A058084, A375571, A375572, A375573.

Formula

A008949(a(n),A375571(n)) = n.

a(n) <= n-1.

a(2^n) = n.

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