Number of free n-celled polyzebras (or zebra-move-connected polyominoes).

A093989

Number of free n-celled polyzebras (or zebra-move-connected polyominoes).

Terms

    a(0) =1a(1) =1a(2) =6a(3) =35a(4) =290a(5) =2714a(6) =27524a(7) =291073a(8) =3166124a(9) =35169275a(10) =397047529a(11) =4541672859a(12) =52510998347

External references