Number of n X 7 0..1 arrays with every element unequal to 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
A305515
Number of n X 7 0..1 arrays with every element unequal to 1, 2, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =22a(2) =33a(3) =73a(4) =353a(5) =925a(6) =3547a(7) =14118a(8) =43745a(9) =173690a(10) =619516a(11) =2147913a(12) =8153824a(13) =28790735a(14) =103815980a(15) =382085808a(16) =1363770884a(17) =4956454784a(18) =18012376227a(19) =64822077441a(20) =235449812312a(21) =852438681934
External references
- oeis: A305515