T(n,k)=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 two horizontal or vertical neighbors.
A194576
T(n,k)=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 two horizontal or vertical neighbors.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =1a(4) =5a(5) =25a(6) =1a(7) =5a(8) =113a(9) =232a(10) =1a(11) =5a(12) =178a(13) =7696a(14) =3182a(15) =1a(16) =5a(17) =193a(18) =39317a(19) =1429748a(20) =65372a(21) =1a(22) =5a(23) =194a(24) =80780a(25) =35539864a(26) =723276072a(27) =1988549a(28) =1a(29) =5
External references
- oeis: A194576