Irregular triangle read by rows: T(n,k) is the number of polyhedra with n faces and k vertices (n >= 4, k=4..2n-4).

A212438

Irregular triangle read by rows: T(n,k) is the number of polyhedra with n faces and k vertices (n >= 4, k=4..2n-4).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =0a(5) =1a(6) =2a(7) =2a(8) =2a(9) =0a(10) =0a(11) =2a(12) =8a(13) =11a(14) =8a(15) =5a(16) =0a(17) =0a(18) =2a(19) =11a(20) =42a(21) =74a(22) =76a(23) =38a(24) =14a(25) =0a(26) =0a(27) =0a(28) =8a(29) =74

External references