A268709 Number of iterations of A268395 needed to reach zero from 2^n: a(n) = A268708(2^n).

1, 1, 2, 3, 5, 9, 15, 25, 40, 75, 134, 246, 428, 802, 1453, 2643, 4587, 8851, 16849, 32368, 60503, 117343

Offset

0,3

Links

Table of n, a(n) for n=0..21.

Formula

a(n) = A268708(2^n).

Prog

(Scheme) (define (A268709 n) (A268708 (A000079 n)))

Crossrefs

Cf. A000079, A268395, A268708, A268710.

Sequence in context: A143282 A323475 A097083 * A381358 A326024 A200047

Adjacent sequences: A268706 A268707 A268708 * A268710 A268711 A268712

Keyword

nonn,more

Author

Antti Karttunen, Feb 11 2016

Status

approved