Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
A305525
Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =30a(2) =161a(3) =880a(4) =4779a(5) =26000a(6) =141474a(7) =769617a(8) =4187055a(9) =22779608a(10) =123930190a(11) =674233423a(12) =3668120119a(13) =19956134787a(14) =108569904387a(15) =590666693724
External references
- oeis: A305525