40300479
domain: N
Appears in sequences
- 1/729 the number of (n+2)X3 0..2 arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace.at n=6A186954
- 1/729 the number of (n+2)X9 0..2 arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace.at n=0A186960
- T(n,k)=1/729 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace.at n=21A186962