Number of 5Xn 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303412
Number of 5Xn 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =61a(2) =541a(3) =902a(4) =4013a(5) =29411a(6) =160247a(7) =660748a(8) =3071197a(9) =17079507a(10) =88199621a(11) =419285701a(12) =2063343133a(13) =10608771290a(14) =53689192266a(15) =265848111937
External references
- oeis: A303412