Number of n X 5 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totaling two no more than once.
A268625
Number of n X 5 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totaling two no more than once.
Terms
- a(0) =144a(1) =2430a(2) =34890a(3) =467190a(4) =6000978a(5) =74914554a(6) =915847266a(7) =11018667294a(8) =130903914954
External references
- oeis: A268625