Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
A297430
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s.
Terms
- a(0) =1a(1) =73a(2) =301a(3) =1057a(4) =12005a(5) =76692a(6) =431723a(7) =3338387a(8) =23694911a(9) =160290601a(10) =1169727060a(11) =8508584171a(12) =61149185363a(13) =447149103717
External references
- oeis: A297430