Array read by antidiagonals: A(n,k) is the number of unsensed planar maps with n vertices and k faces, n >= 1, k >= 1.
A277741
Array read by antidiagonals: A(n,k) is the number of unsensed planar maps with n vertices and k faces, n >= 1, k >= 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =2a(7) =5a(8) =5a(9) =2a(10) =3a(11) =13a(12) =20a(13) =13a(14) =3a(15) =6a(16) =35a(17) =83a(18) =83a(19) =35a(20) =6a(21) =12a(22) =104a(23) =340a(24) =504a(25) =340a(26) =104a(27) =12a(28) =27a(29) =315
External references
- oeis: A277741