A254111 One-based column index of n in A254105: If A234017(n) = 0, then a(n) = 1, otherwise a(n) = 1 + a(A234017(n)).

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

Offset

1,2

Links

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

Formula

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

Prog

(Scheme, with memoizing macro definec)
(definec (A254111 n) (if (zero? (A234017 n)) 1 (+ 1 (A254111 (A234017 n)))))

Crossrefs

One more than A254110.

Column index of n in A254105, Row index for A254107.

Cf. A234017, A254112.

Sequence in context: A337243 A296774 A066099 * A234246 A006375 A327520

Adjacent sequences: A254108 A254109 A254110 * A254112 A254113 A254114

Keyword

nonn

Author

Antti Karttunen, Jan 27 2015

Status

approved