Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 3 faces on an orientable surface of genus g.

A270407

Triangle read by rows: T(n,g) is the number of rooted maps with n edges and 3 faces on an orientable surface of genus g.

Terms

    a(0) =2a(1) =22a(2) =164a(3) =70a(4) =1030a(5) =1720a(6) =5868a(7) =24164a(8) =6468a(9) =31388a(10) =256116a(11) =258972a(12) =160648a(13) =2278660a(14) =5554188a(15) =1169740a(16) =795846a(17) =17970784a(18) =85421118a(19) =66449432a(20) =3845020a(21) =129726760a(22) =1059255456a(23) =1955808460a(24) =351683046a(25) =18211380a(26) =875029804a(27) =11270290416a(28) =40121261136a(29) =26225260226

External references