Number of 4 X n 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

A302152

Number of 4 X n 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =1a(2) =10a(3) =17a(4) =56a(5) =255a(6) =1038a(7) =4771a(8) =21866a(9) =102060a(10) =476499a(11) =2227609a(12) =10440370a(13) =48996354a(14) =230159202a(15) =1081764728a(16) =5086004704a(17) =23916740145a(18) =112479869517a(19) =529026120838

External references