Number of n-celled polyknights (polyominoes connected by knight's moves).

A030446

Number of n-celled polyknights (polyominoes connected by knight's moves).

Terms

    a(0) =1a(1) =1a(2) =6a(3) =35a(4) =290a(5) =2680a(6) =26379a(7) =267598a(8) =2758016a(9) =28749456a(10) =302120154a(11) =3196299285a(12) =34007337629

External references