Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301526
Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =5a(2) =24a(3) =92a(4) =391a(5) =1728a(6) =7640a(7) =33824a(8) =150119a(9) =667154a(10) =2966513a(11) =13194447a(12) =58695455a(13) =261128908a(14) =1161781427a(15) =5168968740a(16) =22997926659a(17) =102323706303a(18) =455266100243
External references
- oeis: A301526