Number of nX7 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A317870
Number of nX7 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =22a(2) =10a(3) =1089a(4) =3303a(5) =27620a(6) =163297a(7) =1242087a(8) =7872632a(9) =53760082a(10) =353252004a(11) =2390946331a(12) =15793996654a(13) =106138988508a(14) =705385250439
External references
- oeis: A317870