Number of circular permutations with exactly one specified increasing or decreasing modular run (3-sequence), with clockwise and counterclockwise traversals not counted as distinct.
A235937
Number of circular permutations with exactly one specified increasing or decreasing modular run (3-sequence), with clockwise and counterclockwise traversals not counted as distinct.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =2a(6) =11a(7) =62a(8) =408a(9) =3056a(10) =25821a(11) =242802a(12) =2517303a(13) =28540102a(14) =351383192a(15) =4669815008a(16) =66640974977
External references
- oeis: A235937