Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
A222506
Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =4a(1) =10a(2) =35a(3) =423a(4) =2066a(5) =23678a(6) =128889a(7) =1529195a(8) =8569032a(9) =102004630a(10) =577797690a(11) =6918500106a(12) =39468519264a(13) =474774414486
External references
- oeis: A222506