Number of n X n 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
A280852
Number of n X n 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =1a(1) =9a(2) =46a(3) =124a(4) =282a(5) =712a(6) =1738a(7) =4124a(8) =9562a(9) =21752a(10) =48730a(11) =107992a(12) =237082a(13) =516376a(14) =1117210
External references
- oeis: A280852