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A281370
Orbit of 25 under repeated applications of the inverse of the map m -> A280864(m).
2
25, 35, 36, 33, 43, 66, 68, 60, 61, 95, 101, 149, 263, 454, 381, 411, 432, 423, 491, 910, 884, 856, 730, 707, 702, 682, 653, 1277, 2443, 2605, 2783, 2802, 2603, 2588, 2025, 2154, 1962, 1692, 1566, 1577, 1557, 1729, 970, 946, 912, 867, 786, 741, 490, 478, 422, 369, 404, 344, 337, 578, 568
OFFSET
1,1
COMMENTS
It is a strong conjecture that A280864 is a permutation of the positive integers. The orbit containing 25 appears to be the first infinite orbit. See A281370 for the orbit of 25 under the inverse permutation, and see A280864 for other orbits (there are several small cycles).
LINKS
CROSSREFS
Sequence in context: A188059 A257720 A098368 * A101066 A340121 A061442
KEYWORD
nonn,look
AUTHOR
N. J. A. Sloane, Feb 03 2017
STATUS
approved