66495
domain: N
Appears in sequences
- Numerator of n*(n-2)*(2*n-1)/(2*(n-1)).at n=31A022997
- Number of nonaveraging subsets on {1,2,...,n}.at n=23A051013
- Expansion of psi(x^2) / f(-x) in powers of x where psi(), f() are Ramanujan theta functions.at n=39A098613
- a(n) = (2^(n+4)-1)*(2^n+1).at n=6A165133
- Odd sides belonging to multiple primitive Euler bricks.at n=7A211133
- a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence.at n=38A351689
- Numbers k that divide the k-th little Schroeder number.at n=25A372903