Number of nX6 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.
A268796
Number of nX6 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =240a(1) =1714a(2) =11948a(3) =117062a(4) =1158904a(5) =11138352a(6) =104971262a(7) =974000420a(8) =8927994302a(9) =81031120788a(10) =729449219322
External references
- oeis: A268796