Number of n X 7 0..1 arrays with every element unequal to 0, 1 or 5 king-move adjacent elements, with upper left element zero.
A303718
Number of n X 7 0..1 arrays with every element unequal to 0, 1 or 5 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =21a(1) =23a(2) =40a(3) =161a(4) =361a(5) =741a(6) =1592a(7) =3469a(8) =7416a(9) =15880a(10) =34193a(11) =73457a(12) =157645a(13) =338676a(14) =727589a(15) =1562584a(16) =3356196a(17) =7209121a(18) =15484337a(19) =33258365a(20) =71436088a(21) =153437805a(22) =329568008a(23) =707878984a(24) =1520453793a(25) =3265780153a(26) =7014565013a(27) =15066579716
External references
- oeis: A303718