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A253789
Fixed points of f(n) = A252753(n-1).
5
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
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
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 13 2015
STATUS
approved