Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4 or 8 king-move adjacent elements, with upper left element zero.
A305244
Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =432a(2) =343a(3) =2128a(4) =11731a(5) =55039a(6) =311014a(7) =1742187a(8) =9652212a(9) =54215925a(10) =304136859a(11) =1705204672a(12) =9572981971a(13) =53722180818a(14) =301526832227
External references
- oeis: A305244