

A051733


Numbers n such that A051732(n) = n1.


3



2, 3, 6, 7, 10, 15, 19, 27, 30, 31, 34, 42, 51, 54, 66, 70, 75, 82, 87, 90, 91, 99, 106, 114, 135, 147, 159, 174, 175, 187, 190, 195, 210, 211, 222, 231, 234, 246, 255, 262, 271, 274, 279, 282, 294, 307, 310, 327, 330, 331, 339, 351, 355, 379, 387, 394, 399, 411, 414
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OFFSET

1,1


LINKS

Olivier Gérard and Vincenzo Librandi, Table of n, a(n) for n = 1..6000 (first 386 terms from Olivier Gérard).


MATHEMATICA

(* v8 *) Select[Range[2, 4000], Function[n, Sort[First[First[PermutationCycles@Join[Table[2r1, {r, 1, n}], Table[2r2n, {r, n+1, 2n}]]]]]==Range[2, 2n1]]] (* Olivier Gérard, Nov 08 2012 *)


CROSSREFS

Cf. A051732. Equals A217948(n)/2.
Sequence in context: A240212 A093677 A086495 * A058632 A086583 A107852
Adjacent sequences: A051730 A051731 A051732 * A051734 A051735 A051736


KEYWORD

easy,nonn


AUTHOR

MarieChristine Haton (MarieChristine.Haton(AT)loria.fr)


STATUS

approved



