Number of 6Xn 0..1 arrays with every element equal to 0, 1 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
A301889
Number of 6Xn 0..1 arrays with every element equal to 0, 1 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =32a(1) =233a(2) =917a(3) =2340a(4) =7869a(5) =46079a(6) =223869a(7) =981222a(8) =4188971a(9) =19744757a(10) =93794562a(11) =441318698a(12) =2061633703a(13) =9717028077a(14) =46010651829a(15) =218113415765
External references
- oeis: A301889