Number of inversion sequences avoiding pattern 100.
A263780
Number of inversion sequences avoiding pattern 100.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =23a(5) =106a(6) =565a(7) =3399a(8) =22678a(9) =165646a(10) =1311334a(11) =11161529a(12) =101478038a(13) =980157177a(14) =10011461983a(15) =107712637346
External references
- oeis: A263780