Number of (n+2)X8 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.
A204359
Number of (n+2)X8 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..1 introduced in row major order.
Terms
- a(0) =23912a(1) =48226a(2) =92286a(3) =167480a(4) =412860a(5) =1006754a(6) =2225410a(7) =4825526a(8) =10942334a(9) =25492388a(10) =58439276a(11) =131852146a(12) =298721620a(13) =682683776a(14) =1559009232a(15) =3545167022a(16) =8060117790a(17) =18362399186a(18) =41845749138a(19) =95271124676a(20) =216853176236
External references
- oeis: A204359