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A014489 Lexicographic positions of those permutations whose square is the identity. +0
1
0, 1, 2, 5, 6, 7, 14, 16, 21, 23, 24, 25, 26, 29, 54, 55, 60, 67, 80, 82, 86, 94, 105, 107, 111, 119, 120, 121, 122, 125, 126, 127, 134, 136, 141, 143, 264, 265, 266, 269, 288, 289, 314, 316, 339, 341, 390, 391, 396, 403, 414, 415, 444, 450, 469 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Adjacent sequences: A014486 A014487 A014488 this_sequence A014490 A014491 A014492

Sequence in context: A134080 A111300 A117548 this_sequence A033959 A090946 A047442

KEYWORD

nonn

AUTHOR

Wouter Meeussen (wouter.meeussen(at)pandora.be)

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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