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First differences of A218784. Lengths of runs in A213728 and A213729.
9

%I #11 Nov 11 2012 13:44:50

%S 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,

%T 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,

%U 1,1,4,2,1,6,2,1,1,2,1,6,3,3,5,2,2,2,1

%N First differences of A218784. Lengths of runs in A213728 and A213729.

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

%H Antti Karttunen, <a href="/A218545/b218545.txt">Table of n, a(n) for n = 1..8650</a>

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

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

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

%K nonn

%O 1,2

%A _Antti Karttunen_, Nov 02 2012