Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A298659
Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =95a(2) =63a(3) =322a(4) =876a(5) =2562a(6) =7964a(7) =24801a(8) =74358a(9) =242072a(10) =745571a(11) =2349275a(12) =7433849a(13) =23406485a(14) =73834463a(15) =233339001a(16) =735993576a(17) =2324359169a(18) =7339529089a(19) =23174991985a(20) =73178503209a(21) =231090268648a(22) =729735594047
External references
- oeis: A298659