Triangle read by rows: T(n,g) is the number of rooted 2n-face triangulations in an orientable surface of genus g.

A266240

Triangle read by rows: T(n,g) is the number of rooted 2n-face triangulations in an orientable surface of genus g.

Terms

    a(0) =1a(1) =4a(2) =1a(3) =32a(4) =28a(5) =336a(6) =664a(7) =105a(8) =4096a(9) =14912a(10) =8112a(11) =54912a(12) =326496a(13) =396792a(14) =50050a(15) =786432a(16) =7048192a(17) =15663360a(18) =6722816a(19) =11824384a(20) =150820608a(21) =544475232a(22) =518329776a(23) =56581525a(24) =184549376a(25) =3208396800a(26) =17388675072a(27) =30117189632a(28) =11100235520a(29) =2966845440

External references