Number of n X 6 0..1 arrays with every element unequal to 0, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
A304950
Number of n X 6 0..1 arrays with every element unequal to 0, 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =49a(2) =58a(3) =139a(4) =468a(5) =1916a(6) =5296a(7) =17450a(8) =62128a(9) =207139a(10) =693887a(11) =2374914a(12) =8053735a(13) =27274672a(14) =92857712a(15) =315536730a(16) =1072011317a(17) =3644889383a(18) =12392444295a(19) =42124232144a(20) =143216096733a(21) =486915951642
External references
- oeis: A304950