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Search: id:A064639
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| A064639 |
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Positions of non-crossing fixed-point-free involutions encoded by A014486 (after reflection) in A055089. Permutation of A064640. |
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+0
2
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| 0, 1, 7, 23, 127, 143, 415, 659, 719, 5167, 5183, 5455, 5699, 5759, 16687, 16703, 26815, 36899, 36959, 28495, 38579, 40031, 40319, 368047, 368063, 368335, 368579, 368639, 379567, 379583, 389695, 399779, 399839, 391375, 401459, 402911, 403199
(list; graph; listen)
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OFFSET
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0,3
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MAPLE
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map(PermRevLexRank, map(NonCrossingTransposRev, A014486)); NonCrossingTransposRev := n -> convert(NonCrossingTransposAux(deepreverse(binexp2pars(n)), 1), 'permlist', binwidth(n));
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CROSSREFS
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Maple procedure deepreverse given in A057502, for others, follow A064638. Same sequence sorted: A064640.
Sequence in context: A053706 A137367 A064640 this_sequence A064638 A082021 A080082
Adjacent sequences: A064636 A064637 A064638 this_sequence A064640 A064641 A064642
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KEYWORD
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nonn
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AUTHOR
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Antti Karttunen 2. Oct 15 2001
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