T(n,k) is the number of lower triangles of an n X n 0..k array with new values introduced in row major order 0..k and no element equal to more than one horizontal or vertical neighbor.
A194540
T(n,k) is the number of lower triangles of an n X n 0..k array with new values introduced in row major order 0..k and no element equal to more than one horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =4a(5) =6a(6) =1a(7) =4a(8) =59a(9) =12a(10) =1a(11) =4a(12) =116a(13) =1851a(14) =23a(15) =1a(16) =4a(17) =131a(18) =16556a(19) =119548a(20) =43a(21) =1a(22) =4a(23) =132a(24) =43785a(25) =7721920a(26) =16039294a(27) =79a(28) =1a(29) =4
External references
- oeis: A194540