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A281369 Orbit of 25 under repeated applications of the map m -> A280864(m). 2
25, 34, 27, 45, 52, 65, 64, 82, 84, 104, 67, 86, 121, 71, 94, 81, 102, 114, 195, 253, 295, 305, 249, 276, 151, 154, 164, 168, 170, 129, 146, 194, 184, 222, 236, 215, 189, 455, 526, 583, 600, 618, 915, 979, 996, 1032, 1463, 1541, 1544, 1752, 1887, 2348, 2378, 2195, 2485, 1279, 1298, 673, 591, 589 (list; graph; refs; listen; history; text; internal format)
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

N. J. A. Sloane, Table of n, a(n) for n = 1..289

CROSSREFS

Cf. A280864, A281370.

Sequence in context: A231572 A020258 A227516 * A188059 A257720 A098368

Adjacent sequences:  A281366 A281367 A281368 * A281370 A281371 A281372

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 03 2017

STATUS

approved

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Last modified April 7 10:46 EDT 2020. Contains 333301 sequences. (Running on oeis4.)