Number of circular permutations with exactly one (unspecified) increasing or decreasing modular 3-sequence, with clockwise and counterclockwise traversals counted as distinct.
A235940
Number 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) =10a(5) =24a(6) =154a(7) =992a(8) =7344a(9) =61120a(10) =568062a(11) =5827248a(12) =65449878a(13) =799122856a(14) =10541495760a(15) =149434080256
External references
- oeis: A235940