Number of nX3 0..2 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order.
A222397
Number of nX3 0..2 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =0a(1) =0a(2) =4a(3) =35a(4) =0a(5) =624a(6) =900a(7) =21634a(8) =21224a(9) =609872a(10) =756664a(11) =18326048a(12) =23970800a(13) =543783008a(14) =781519168a(15) =16285754632a(16) =25251222240a(17) =489217824832a(18) =816430181216
External references
- oeis: A222397