Number of n X 4 binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
A268762
Number of n X 4 binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =5a(1) =44a(2) =223a(3) =1148a(4) =5170a(5) =23156a(6) =99057a(7) =418924a(8) =1736105a(9) =7122856a(10) =28898144a(11) =116346184a(12) =465034573a(13) =1848051516a(14) =7306228767a(15) =28758043956a(16) =112751067666a(17) =440538622908
External references
- oeis: A268762