Triangle read by rows: T(n,k) = number of rooted maps with n edges on a nonorientable surface of genus k (1 <= k <= n).

A267180

Triangle read by rows: T(n,k) = number of rooted maps with n edges on a nonorientable surface of genus k (1 <= k <= n).

Terms

    a(0) =1a(1) =10a(2) =4a(3) =98a(4) =84a(5) =41a(6) =982a(7) =1340a(8) =1380a(9) =488a(10) =10062a(11) =19280a(12) =31225a(13) =23320a(14) =8229a(15) =105024a(16) =263284a(17) =592824a(18) =696912a(19) =516958a(20) =164892a(21) =1112757a(22) =3486224a(23) =10185056a(24) =16662492a(25) =19381145a(26) =12980716a(27) =4016613a(28) =11934910a(29) =45247084

External references