966721
domain: N
Appears in sequences
- a(n) = (5^n - 3^n)/2.at n=9A005059
- Numbers k that divide the (left) concatenation of all numbers <= k written in base 15 (most significant digit on left).at n=14A029484
- For n>1, a(n) = 2*a(n-1) + 15*a(n-2); a(0)=1, a(1)=1.at n=9A120612
- Number of collinear point triples in an n X n .. X n 9-dimensional cubical grid.at n=2A178292