A263278 a(n) = length of n-th run of even terms in A259934.

21, 8480, 18162, 78495, 1194707, 1426107, 6029619, 325034101

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: A250063 A307931 A270873 * A176446 A135823 A013726

Adjacent sequences: A263275 A263276 A263277 * A263279 A263280 A263281

Keyword

nonn,more

Author

Antti Karttunen, Nov 08 2015

Status

approved