A213712 a(n) = A000120(A179016(n)).

0, 1, 2, 1, 3, 1, 3, 4, 1, 3, 4, 3, 5, 1, 3, 4, 3, 4, 3, 4, 4, 6, 1, 3, 4, 3, 4, 3, 4, 4, 5, 3, 4, 3, 5, 3, 4, 4, 7, 1, 3, 4, 3, 4, 3, 4, 4, 5, 3, 4, 3, 5, 3, 4, 4, 6, 3, 4, 3, 5, 4, 6, 6, 4, 6, 5, 4, 7, 8, 1, 3, 4, 3, 4, 3, 4, 4, 5, 3, 4, 3, 5, 3, 4, 4, 6, 3, 4, 3, 5, 4, 6, 6, 4, 6, 5, 4, 7, 7, 3, 4, 3, 5, 4, 6, 6, 4, 6, 5, 4, 6, 7, 4, 6, 5, 4, 6, 6, 4, 7

Offset: 0

Author

Antti Karttunen, Oct 26 2012

Keywords

• nonn

Comments

Also the first differences of A179016, shifted once right (prepended with zero).

Links

• Antti Karttunen, Table of n, a(n) for n = 0..16405

Crossrefs

Cf. A213718.

Extensions

Offset changed from 1 to 0 by Antti Karttunen, Nov 05 2012