Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303179
Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =16a(1) =78a(2) =170a(3) =931a(4) =5613a(5) =29124a(6) =148501a(7) =786247a(8) =4126586a(9) =21601861a(10) =113317332a(11) =594289830a(12) =3116171553a(13) =16342689476a(14) =85704866753a(15) =449451760127
External references
- oeis: A303179