T(n,k)=Number of lower triangles of an n X n 0..k array with each element unequal to the sum mod k+1 of its horizontal and vertical neighbors.
A194505
T(n,k)=Number of lower triangles of an n X n 0..k array with each element unequal to the sum mod k+1 of its horizontal and vertical neighbors.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =3a(4) =8a(5) =4a(6) =4a(7) =27a(8) =72a(9) =2a(10) =5a(11) =64a(12) =776a(13) =1020a(14) =1a(15) =6a(16) =125a(17) =4160a(18) =59052a(19) =32768a(20) =1a(21) =7a(22) =216a(23) =15804a(24) =1048560a(25) =14348907a(26) =2097152a(27) =1a(28) =8a(29) =343
External references
- oeis: A194505