A218545 - OEIS

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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

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

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

FORMULA

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

PROG

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

CROSSREFS