Number of lower triangles of a 5X5 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.
A195251
Number of lower triangles of a 5X5 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.
Terms
- a(0) =32768a(1) =14348907a(2) =67379894a(3) =147824001a(4) =237368212a(5) =329060365a(6) =421064386a(7) =513095495a(8) =605126604a(9) =697157713a(10) =789188822a(11) =881219931a(12) =973251040a(13) =1065282149a(14) =1157313258a(15) =1249344367a(16) =1341375476a(17) =1433406585a(18) =1525437694a(19) =1617468803
External references
- oeis: A195251