Number of nX3 0..2 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.
A222583
Number of nX3 0..2 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =1a(1) =5a(2) =9a(3) =112a(4) =426a(5) =4790a(6) =18007a(7) =208768a(8) =783389a(9) =9222742a(10) =34725955a(11) =412489970a(12) =1558983053a(13) =18631988604a(14) =70660866011a(15) =848302913944
External references
- oeis: A222583