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

A291081

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

Terms

    a(0) =1a(1) =1a(2) =7a(3) =6a(4) =3a(5) =1a(6) =51a(7) =45a(8) =30a(9) =15a(10) =5a(11) =1a(12) =393a(13) =357a(14) =266a(15) =161a(16) =77a(17) =28a(18) =7a(19) =1a(20) =3139a(21) =2907a(22) =2304a(23) =1554a(24) =882a(25) =414a(26) =156a(27) =45a(28) =9a(29) =1

External references