Number of n X 4 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.
A301527
Number of n X 4 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) =16a(2) =92a(3) =742a(4) =5472a(5) =43211a(6) =339956a(7) =2691202a(8) =21316797a(9) =169011518a(10) =1340378030a(11) =10631856635a(12) =84337029071a(13) =669022950500
External references
- oeis: A301527