Number of compositions such that their set adjacent differences are a subset of {-1,1} and contain 1 as a part of the composition itself.
A372647
Number of compositions such that their set adjacent differences are a subset of {-1,1} and contain 1 as a part of the composition itself.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =2a(4) =1a(5) =1a(6) =4a(7) =1a(8) =5a(9) =5a(10) =5a(11) =10a(12) =8a(13) =14a(14) =15a(15) =22a(16) =26a(17) =31a(18) =44a(19) =47a(20) =69a(21) =80a(22) =101a(23) =131a(24) =156a(25) =203a(26) =246a(27) =315a(28) =388a(29) =484
External references
- oeis: A372647