Number of lower triangles of a 3 X 3 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.
A195249
Number of lower triangles of a 3 X 3 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.
Terms
- a(0) =64a(1) =729a(2) =1682a(3) =2729a(4) =3776a(5) =4823a(6) =5870a(7) =6917a(8) =7964a(9) =9011a(10) =10058a(11) =11105a(12) =12152a(13) =13199a(14) =14246a(15) =15293a(16) =16340a(17) =17387a(18) =18434a(19) =19481a(20) =20528a(21) =21575a(22) =22622a(23) =23669a(24) =24716a(25) =25763a(26) =26810a(27) =27857a(28) =28904a(29) =29951
External references
- oeis: A195249