Number of positions (cyclic permutations) of circular permutations with exactly one (unspecified) increasing or decreasing modular 3-sequence, with clockwise and counterclockwise traversals counted as distinct.
A235942
Number of positions (cyclic permutations) of circular permutations with exactly one (unspecified) increasing or decreasing modular 3-sequence, with clockwise and counterclockwise traversals counted as distinct.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =50a(5) =144a(6) =1078a(7) =7936a(8) =66096a(9) =611200a(10) =6248682a(11) =69926976a(12) =850848414a(13) =11187719984a(14) =158122436400
External references
- oeis: A235942