154539
domain: N
Appears in sequences
- Expansion of (1-x)^(-1)/(1+2*x+2*x^2-2*x^3).at n=22A077932
- Number of n X 1 0..3 arrays with values 0..3 introduced in row major order and each element equal to one or two horizontal and vertical neighbors.at n=18A199142
- Total number of n-digit positive integers with multiplicative digital root value 8.at n=6A263481