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A265910 Zero-based column index to array A265345. 4
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 29 11:27 EST 2023. Contains 359922 sequences. (Running on oeis4.)