Number of n X 2 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A279488
Number of n X 2 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =1a(1) =0a(2) =5a(3) =18a(4) =68a(5) =235a(6) =801a(7) =2678a(8) =8777a(9) =28343a(10) =90455a(11) =285812a(12) =895302a(13) =2783602a(14) =8598096a(15) =26404831a(16) =80671908a(17) =245328807a(18) =742945582a(19) =2241375512a(20) =6738536925a(21) =20194613731a(22) =60344058090a(23) =179828931783a(24) =534560389757
External references
- oeis: A279488