A278518 First differences of A278517; run lengths in A260731.

1, 3, 4, 1, 3, 4, 2, 2, 4, 1, 4, 3, 2, 2, 4, 3, 2, 3, 1, 3, 4, 2, 3, 3, 3, 3, 2, 2, 3, 3, 1, 3, 4, 2, 3, 3, 2, 2, 4, 2, 3, 4, 3, 4, 1, 4, 3, 2, 3, 3, 3, 3, 2, 2, 2, 4, 3, 2, 3, 2, 2, 4, 1, 3, 4, 2, 2, 4, 3, 3, 3, 3, 4, 2, 3, 3, 3, 3, 3, 4, 3, 1, 3, 4, 2, 3, 4, 3, 4, 2, 3, 3, 3, 2, 3, 3, 2, 3, 2, 3, 3, 3, 3, 2, 1, 3, 4, 2, 3, 3, 2, 3, 3, 2, 3, 3, 3, 1, 4, 3, 2

Offset

0,2

Links

Antti Karttunen, Table of n, a(n) for n = 0..11363

Formula

a(n) = A278517(1+n) - A278517(n).

a(n) = 1 + (A278519(n) - A278517(n)).

a(n) = 1 + A278521(n) + A278522(n).

Prog

(Scheme)
(define (A278518 n) (- (A278517 (+ 1 n)) (A278517 n)))

Crossrefs

Cf. A260731, A278516, A278517, A278519, A278521, A278522.

Sequence in context: A090279 A101667 A117378 * A088197 A350605 A087517

Adjacent sequences: A278515 A278516 A278517 * A278519 A278520 A278521

Keyword

nonn

Author

Antti Karttunen, Nov 28 2016

Status

approved