Triangle read by rows: T(n,k) is the number of free polyominoes with n cells and length k, n >= 1, k = 1..n.

A379624

Triangle read by rows: T(n,k) is the number of free polyominoes with n cells and length k, n >= 1, k = 1..n.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =3a(9) =1a(10) =0a(11) =0a(12) =8a(13) =3a(14) =1a(15) =0a(16) =0a(17) =8a(18) =21a(19) =5a(20) =1a(21) =0a(22) =0a(23) =7a(24) =59a(25) =36a(26) =5a(27) =1a(28) =0a(29) =0

External references