68332056247
domain: N
Appears in sequences
- a(n) = 4^n - 3^n.at n=18A005061
- Nexus numbers (n+1)^18 - n^18.at n=3A022534
- Number of n X 18 binary arrays with a path of adjacent 1's from top row to bottom row.at n=1A069393
- Number of second differences of arrays of length n + 2 of numbers in 0..3.at n=15A228213
- Number of third differences of arrays of length n+3 of numbers in 0..3.at n=14A228255