28967421
domain: N
Appears in sequences
- 1/8 the number of nX3 0..7 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.at n=4A185900
- 1/8 the number of nX5 0..7 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.at n=2A185902
- T(n,k)=1/8 the number of nXk 0..7 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.at n=23A185903
- T(n,k)=1/8 the number of nXk 0..7 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.at n=25A185903