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A126298
Fixed points of the permutation A125987/A125988.
5
0, 1, 2, 3, 4, 8, 9, 22, 23, 47, 64, 65, 86, 162, 196, 197, 259, 443, 501, 625, 626, 1205, 1743, 2055, 2056, 2707, 5334, 6917, 6918, 7540, 22372, 23713, 23714, 62571, 64277, 82499, 82500, 109605, 253759, 290511, 290512, 579423, 621466, 653479
OFFSET
0,3
COMMENTS
Those i, for which A125987(i)=i, or equivalently A125985(A125985(i))=i. A126299 shows the same fixed points using factorial code as employed in Vaillé's paper.
LINKS
J. Vaillé, Une Bijection Explicative de Plusieurs Propriétés Remarquables des Ponts, European J. Combin. 18 (1997), no. 1, 117-124.
CROSSREFS
Superset of A126300.
Sequence in context: A304521 A026489 A126312 * A175404 A292113 A082224
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 02 2007
STATUS
approved