Irregular triangle read by rows: T(n,m) = number of lattice paths of type B^H terminating at point (n, m).

A291085

Irregular triangle read by rows: T(n,m) = number of lattice paths of type B^H terminating at point (n, m).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =4a(4) =2a(5) =1a(6) =20a(7) =19a(8) =13a(9) =8a(10) =3a(11) =1a(12) =104a(13) =98a(14) =76a(15) =52a(16) =28a(17) =13a(18) =4a(19) =1a(20) =556a(21) =526a(22) =434a(23) =319a(24) =201a(25) =111a(26) =50a(27) =19a(28) =5a(29) =1

External references