T(n,k) = Number of lower triangles of an n X n 0..k array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.
A195248
T(n,k) = Number of lower triangles of an n X n 0..k array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.
Terms
- a(0) =2a(1) =3a(2) =8a(3) =4a(4) =27a(5) =64a(6) =5a(7) =46a(8) =729a(9) =1024a(10) =6a(11) =65a(12) =1682a(13) =59049a(14) =32768a(15) =7a(16) =84a(17) =2729a(18) =190514a(19) =14348907a(20) =2097152a(21) =8a(22) =103a(23) =3776a(24) =357847a(25) =67379894a(26) =10460353203a(27) =268435456a(28) =9a(29) =122
External references
- oeis: A195248