Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302313
Number of 5Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =21a(2) =58a(3) =153a(4) =445a(5) =1595a(6) =4772a(7) =15249a(8) =49634a(9) =166329a(10) =547264a(11) =1812790a(12) =6026255a(13) =20329381a(14) =68337634a(15) =228989976a(16) =768581607a(17) =2595937574a(18) =8761489896a(19) =29487968631a(20) =99305798186a(21) =335393857959
External references
- oeis: A302313