A218545 First differences of A218784. Lengths of runs in A213728 and A213729.

1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 2, 4, 1, 2, 2, 3, 1, 2, 1, 1, 3, 1, 1, 2, 2, 3, 1, 2, 1, 1, 4, 2, 1, 6, 2, 2, 1, 2, 2, 3, 1, 2, 1, 1, 4, 2, 1, 6, 2, 1, 1, 2, 1, 6, 3, 3, 5, 2, 1, 1, 1, 2, 2, 3, 1, 2, 1, 1, 4, 2, 1, 6, 2, 1, 1, 2, 1, 6, 3, 3, 5, 2, 2, 2, 1

Offset: 1

Author

Antti Karttunen, Nov 02 2012

Keywords

• nonn

Comments

These numbers tell how many times the infinite trunk of beanstalk (A179016) branches into the same direction, before changing the direction.

Links

• Antti Karttunen, Table of n, a(n) for n = 1..8650

Crossrefs

A218546 gives the positions of records. Cf. also A218547. Also the first differences of A218544, i.e. a(n) = A218544(n+1)-A218544(n).

Programs

Scheme

(define (A218545 n) (- (A218784 n) (A218784 (-1+ n))))

Formula

a(n) = A218784(n)-A218784(n-1).