Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 2 faces on an orientable surface of genus g.

A270406

Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 2 faces on an orientable surface of genus g.

Terms

    a(0) =1a(1) =5a(2) =22a(3) =10a(4) =93a(5) =167a(6) =386a(7) =1720a(8) =483a(9) =1586a(10) =14065a(11) =15018a(12) =6476a(13) =100156a(14) =258972a(15) =56628a(16) =26333a(17) =649950a(18) =3288327a(19) =2668750a(20) =106762a(21) =3944928a(22) =34374186a(23) =66449432a(24) =12317877a(25) =431910a(26) =22764165a(27) =313530000a(28) =1171704435a(29) =792534015

External references