A254110 Zero-based column index of n in A254105: if A234017(n) = 0, then a(n) = 0, otherwise a(n) = 1 + a(A234017(n)).

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

Offset

1,5

Links

Antti Karttunen, Table of n, a(n) for n = 1..8192

Formula

If A234017(n) = 0, then a(n) = 0, otherwise a(n) = 1 + a(A234017(n)).

Prog

(Scheme, with memoizing macro definec)
(definec (A254110 n) (if (zero? (A234017 n)) 0 (+ 1 (A254110 (A234017 n)))))

Crossrefs

One less than A254111.

Cf. A234017, A254105, A254107.

Sequence in context: A122855 A140727 A140728 * A331289 A329619 A298426

Adjacent sequences: A254107 A254108 A254109 * A254111 A254112 A254113

Keyword

nonn

Author

Antti Karttunen, Jan 27 2015

Status

approved