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A265336 Number of nonleading 0-bits in bijective base-3 reversal of n: a(n) = A080791(A263273(n)). 4
0, 0, 1, 0, 2, 0, 1, 1, 3, 2, 2, 2, 2, 1, 2, 2, 4, 2, 3, 1, 3, 0, 1, 1, 3, 3, 2, 1, 2, 1, 1, 3, 6, 2, 2, 4, 4, 0, 2, 2, 4, 4, 5, 3, 4, 0, 4, 1, 4, 2, 4, 3, 3, 2, 2, 1, 3, 4, 3, 5, 2, 1, 4, 2, 5, 1, 3, 3, 5, 4, 3, 3, 5, 3, 1, 2, 3, 3, 3, 2, 5, 4, 4, 4, 4, 2, 2, 4, 6, 3, 3, 2, 4, 1, 2, 3, 6, 5, 4, 3, 4, 3, 5, 0, 5, 2, 4, 2, 3, 3, 4, 2, 4, 5, 3, 4, 3, 2, 2, 2, 3, 2, 4, 4, 5, 3, 4, 2, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..16384

FORMULA

a(n) = A080791(A263273(n)).

a(0) = 0, a(2n) = 1 + a(A265339(n)), a(2n+1) = a(A265339(n)).

a(n) = A265340(n) - A265337(n).

PROG

(Scheme, two variants)

(definec (A265336 n) (if (zero? n) 0 (+ (A265336 (A265339 n)) (if (even? n) 1 0))))

(define (A265336 n) (A080791 (A263273 n)))

CROSSREFS

Cf. A080791, A263273, A265337, A265339, A265340.

Sequence in context: A253830 A167625 A107261 * A219782 A035788 A097559

Adjacent sequences:  A265333 A265334 A265335 * A265337 A265338 A265339

KEYWORD

nonn,base

AUTHOR

Antti Karttunen, Dec 18 2015

STATUS

approved

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Last modified August 10 00:47 EDT 2020. Contains 336359 sequences. (Running on oeis4.)