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A263278 a(n) = length of n-th run of even terms in A259934. 4
21, 8480, 18162, 78495, 1194707, 1426107, 6029619, 325034101 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..8.

A. Karttunen, Ratio a(n)/A262516(n) drawn with OEIS Plot2-script

FORMULA

a(n) = A263277((2*n)-1).

PROG

(Scheme) (define (A263278 n) (A263277 (+ n n -1)))

CROSSREFS

Bisection of A263277.

Cf. A259934, A262514, A262516.

Cf. also A263253.

Sequence in context: A231906 A250063 A270873 * A176446 A135823 A013726

Adjacent sequences:  A263275 A263276 A263277 * A263279 A263280 A263281

KEYWORD

nonn,more

AUTHOR

Antti Karttunen, Nov 08 2015

STATUS

approved

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Last modified October 19 00:36 EDT 2018. Contains 316327 sequences. (Running on oeis4.)