A321482 a(n) = log_2(A305677(n)).

0, 1, 3, 0, 6, 8, 11, 2, 0, 17, 18, 5, 23, 25, 27, 0, 31, 3, 35, 10, 39, 42, 44, 13, 1, 50, 5, 16, 56, 59, 62, 4, 66, 69, 70, 0, 76, 77, 80, 25, 84, 86, 89, 29, 14, 95, 98, 8, 1, 5, 106, 34, 111, 18, 117, 39, 121, 123, 125, 42, 129, 132, 21, 2, 139, 141, 144

Offset: 1

Author

Peter Kagey, Nov 12 2018

Keywords

• nonn

Comments

a(n) <= A067722(n) - 1.

It is conjectured that A305677(n) > 0. If A305677(n) = 0, then define a(n) = -1.

Links

• Peter Kagey, Table of n, a(n) for n = 1..300

Crossrefs

Cf. A067722, A305677.