68920
domain: N
Appears in sequences
- a(n) = n^3 - 1.at n=40A068601
- Even pseudoprimes to base 41.at n=9A130442
- a(n) = Sum_{k=1..n} A003266(k).at n=7A153757
- Shifts 8 places left under Euler transform with a(0)=0 and a(n)=1 for n<8.at n=38A218025
- Number of polynomials of the form P(x,y) = 1 + (x+y-1) * Q(x,y) such that P(1,1) = n and both polynomials P and Q have nonnegative integer coefficients.at n=12A279196
- a(n) = n^3 - (n mod 2).at n=40A301647
- a(n) = n^3 * Sum_{d|n} (-1)^(n/d + 1) * mu(d) / d^3.at n=40A338548
- The unitary totient of the smallest cube divisible by n.at n=40A392088
- The unitary totient of the smallest cubefull number that is divisible by n.at n=40A392090