A253789 Fixed points of f(n) = A252753(n-1).

1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40, 48, 64, 80, 96, 128, 160, 192, 256, 320, 384, 481, 512, 640, 768, 962, 1024, 1280, 1536, 1924, 2048, 2560, 3072, 3848, 4096, 5120, 6144, 7696, 8192, 10240, 12288, 15392, 16384, 20480, 24576

Offset

1,2

Links

Table of n, a(n) for n=1..48.

Prog

(Scheme, with Antti Karttunen's IntSeq-library, two alternative versions)
(define A253789 (FIXED-POINTS 1 1 (COMPOSE A252753 -1+)))
(define A253789 (FIXED-POINTS 1 1 (COMPOSE 1+ A252754)))

Crossrefs

Cf. A252753.

Also fixed points of f(n) = A252754(n)+1.

Differs from a subsequence A029747 for the first time at n=25, where a(25) = 481, while A029747 contains no odd terms after 1, 3 and 5.

No other odd numbers can occur than those listed at A253790.

Sequence in context: A364565 A364548 A364544 * A364546 A364550 A029747

Adjacent sequences: A253786 A253787 A253788 * A253790 A253791 A253792

Keyword

nonn

Author

Antti Karttunen, Jan 13 2015

Status

approved