Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300496
Number of nX6 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =32a(1) =383a(2) =1225a(3) =4686a(4) =19412a(5) =77582a(6) =291721a(7) =1136238a(8) =4513729a(9) =17926620a(10) =71353153a(11) =285746599a(12) =1148732959a(13) =4625632297a(14) =18656369104a(15) =75377936665a(16) =304942015454
External references
- oeis: A300496