T(n,k)=Number of nXk 0..2 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.
A279925
T(n,k)=Number of nXk 0..2 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) =0a(1) =1a(2) =1a(3) =0a(4) =0a(5) =0a(6) =3a(7) =15a(8) =15a(9) =3a(10) =6a(11) =142a(12) =474a(13) =142a(14) =6a(15) =24a(16) =1350a(17) =14281a(18) =14281a(19) =1350a(20) =24a(21) =72a(22) =12858a(23) =399487a(24) =1230799a(25) =399487a(26) =12858a(27) =72a(28) =232a(29) =119396
External references
- oeis: A279925