1,3

Table of n, a(n) for n=1..72.

a(n) = A218786(A218611(n)).

(Scheme): (define (A218613 n) (A218786 (A218611 n)))

a(n) = A213726(A218612(n))-1. All values A218549(n)-1 occur here at some point and in order.

Sequence in context: A135873 A070673 A070669 * A164912 A289386 A088861

Adjacent sequences: A218610 A218611 A218612 * A218614 A218615 A218616

nonn

Antti Karttunen, Nov 11 2012

approved