Number of lower triangles of a 4 X 4 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.
A195234
Number of lower triangles of a 4 X 4 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.
Terms
- a(0) =1024a(1) =3151a(2) =5428a(3) =7705a(4) =9982a(5) =12259a(6) =14536a(7) =16813a(8) =19090a(9) =21367a(10) =23644a(11) =25921a(12) =28198a(13) =30475a(14) =32752a(15) =35029a(16) =37306a(17) =39583a(18) =41860a(19) =44137a(20) =46414a(21) =48691a(22) =50968a(23) =53245a(24) =55522a(25) =57799a(26) =60076a(27) =62353a(28) =64630a(29) =66907
External references
- oeis: A195234