67108871
domain: N
Appears in sequences
- Smallest number > 1 equal to sum of n-th powers of its base-3 digits, or 0 if no such number exists (written in base 10).at n=23A033835
- a(n) = 2^(n-1)*(7*n-12) + 7.at n=20A048500
- a(n) = 2^n + 7.at n=26A168415
- a(n) = 4^(n+1) + 7.at n=12A195463
- Number of n X 2 binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two no more than once.at n=21A268775
- a(n) is derived from n by replacing each 0 in its binary representation with a string of n 0's.at n=23A340667