Number of nX4 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302468
Number of nX4 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =2a(1) =45a(2) =203a(3) =1401a(4) =8493a(5) =53575a(6) =331044a(7) =2075845a(8) =12918219a(9) =80580322a(10) =502619295a(11) =3134437862a(12) =19546771248a(13) =121911745097a(14) =760295303506
External references
- oeis: A302468