cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A060132 Positions of the permutations which have the same rank in A055089 and A060117, i.e., the fixed points of permutations A060119 and A060126.

Original entry on oeis.org

0, 1, 2, 3, 6, 7, 8, 9, 16, 17, 24, 25, 26, 27, 30, 31, 32, 33, 40, 41, 60, 61, 62, 63, 120, 121, 122, 123, 126, 127, 128, 129, 136, 137, 144, 145, 146, 147, 150, 151, 152, 153, 160, 161, 180, 181, 182, 183, 288, 289, 290, 291, 294, 295, 296, 297, 304, 305, 316
Offset: 0

Views

Author

Antti Karttunen, Mar 02 2001

Keywords

Crossrefs

Cf. A060133. Includes A059590 as a subset and A064637 gives the terms that are not found therein.

Programs

  • Maple
    sub1 := n -> (n - 1); map(sub1,positions(0,[seq(PermRank3R(PermRevLexUnrank(n))-n,n=0..1024)])); or map(sub1,positions(0,[seq(PermRevLexRank(PermUnrank3R(n))-n,n=0..1024)]));