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A261674 Odd numbers which take a record number of steps to reach {1, 9, or 33} under iteration of the map described in the comments section of A135730. 3
1, 3, 5, 11, 17, 35, 49, 65, 89, 113, 129, 173, 305, 609, 641, 1281, 1353, 1805, 2417, 2849, 3377, 5961, 7949, 11009, 13857, 14601, 19469, 22049, 36545, 43313, 77001, 95793, 108041, 108161, 128049, 128193, 170925, 227901, 252929, 299777, 532937, 609801, 722729 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The corresponding numbers of steps are listed in A261673.

LINKS

Lars Blomberg, Table of n, a(n) for n = 1..88

CROSSREFS

Cf. A261671, A135730, A261673.

Sequence in context: A006170 A147071 A006171 * A319632 A060647 A320353

Adjacent sequences:  A261671 A261672 A261673 * A261675 A261676 A261677

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 02 2015

EXTENSIONS

More terms from Lars Blomberg, Sep 29 2015

STATUS

approved

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Last modified May 20 04:41 EDT 2022. Contains 353851 sequences. (Running on oeis4.)