Triangle read by rows: T(n,g) is the number of rooted maps with n edges on an orientable surface of genus g.
A269919
Triangle read by rows: T(n,g) is the number of rooted maps with n edges on an orientable surface of genus g.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =1a(4) =54a(5) =20a(6) =378a(7) =307a(8) =21a(9) =2916a(10) =4280a(11) =966a(12) =24057a(13) =56914a(14) =27954a(15) =1485a(16) =208494a(17) =736568a(18) =650076a(19) =113256a(20) =1876446a(21) =9370183a(22) =13271982a(23) =5008230a(24) =225225a(25) =17399772a(26) =117822512a(27) =248371380a(28) =167808024a(29) =24635754
External references
- oeis: A269919