Number of (n+2) X (5+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically.
A253737
Number of (n+2) X (5+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically.
Terms
- a(0) =22236a(1) =25012a(2) =44332a(3) =143080a(4) =400068a(5) =1059528a(6) =3230352a(7) =10458356a(8) =31345596a(9) =90751832a(10) =283521828a(11) =902287168a(12) =2744697232a(13) =8179125776a(14) =25412894924a(15) =79521551136a(16) =243350008716a(17) =735182296720
External references
- oeis: A253737