Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A299610
Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =5a(1) =49a(2) =34a(3) =173a(4) =453a(5) =1223a(6) =3286a(7) =9873a(8) =28227a(9) =86428a(10) =253623a(11) =766882a(12) =2299579a(13) =6887900a(14) =20699158a(15) =62239664a(16) =186995764a(17) =562324870a(18) =1690827365a(19) =5083949541a(20) =15289512249a(21) =45981730995a(22) =138278962826a(23) =415872244403
External references
- oeis: A299610