A265910 Zero-based column index to array A265345.

0, 0, 1, 0, 3, 1, 2, 0, 4, 2, 9, 1, 6, 7, 10, 0, 12, 4, 7, 2, 5, 3, 19, 1, 8, 6, 13, 3, 27, 5, 18, 0, 28, 19, 36, 4, 21, 22, 11, 2, 57, 16, 24, 9, 37, 8, 30, 1, 15, 25, 31, 6, 39, 13, 22, 3, 16, 9, 64, 5, 23, 18, 14, 0, 55, 10, 20, 8, 46, 12, 58, 4, 25, 21, 17, 7, 73, 11, 26, 2, 40

Offset

1,5

Links

Antti Karttunen, Table of n, a(n) for n = 1..6561

Indranil Ghosh, Python program to generate the sequence

Formula

a(2n+1) = A265354(n), a(2n) = a(A265352(n)).

Prog

(Scheme, with memoization-macro definec)
(definec (A265910 n) (if (odd? n) (A265354 (/ (- n 1) 2)) (A265910 (A265352 (/ n 2)))))

Crossrefs

One less than A265911.

Cf. A265345, A265352, A265354 (compare the scatter-plot).

Sequence in context: A074735 A074090 A054025 * A222212 A318526 A054869

Adjacent sequences: A265907 A265908 A265909 * A265911 A265912 A265913

Keyword

nonn,look

Author

Antti Karttunen, Dec 18 2015

Status

approved