164399
domain: N
Appears in sequences
- a(n) = (2*n+1)*(4*n^2+4*n+3)/3.at n=39A057813
- Number of n X 5 nonnegative integer arrays with upper left 0 and lower right n+5-4 and value increasing by 0 or 1 with every step right or down.at n=7A252873
- Numbers k such that the two perfect powers immediately adjacent to k^2 both have exponents greater than 2.at n=39A340643