Number of inversion sequences of length n avoiding the consecutive patterns 101, 102, and 201.
A328435
Number of inversion sequences of length n avoiding the consecutive patterns 101, 102, and 201.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =21a(5) =83a(6) =368a(7) =1814a(8) =9837a(9) =58095a(10) =370499a(11) =2534374a(12) =18493023a(13) =143280489a(14) =1173971656a(15) =10136279104a(16) =91936857611a(17) =873547634921
External references
- oeis: A328435