64001

Appears in sequences

• Decimal part of cube root of a(n) starts with 0: first term of runs (cubes excluded).at n=38A034126
• Smallest number of the form n^k +1, with tau(a(n)) = tau(n), or 0 if no such number exists.at n=39A087319
• a(n) = 40*n^2 + 1.at n=40A158602
• 8-step Fibonacci sequence starting with 0,0,0,0,0,0,1,0.at n=24A251672
• a(n) gives the odd leg of one of the two Pythagorean triangles with hypotenuse A080109(n) = A002144(n)^2. This is the smaller of the two possible odd legs.at n=24A253802
• Real part of (n + i)^4.at n=16A272870
• Numbers k for which rank of the elliptic curve y^2 = x^3 - 432*k^2 is 4.at n=15A309964
• a(n) = A329762(n+1)/A329762(n).at n=7A329763
• Number of (i,j,k) in {1,2,...,n}^3 such that gcd(n,i) = gcd(n,j) = gcd(n,k).at n=40A338997
• a(n) is the smallest number which can be represented as the sum of n distinct positive cubes in exactly 2 ways, or -1 if no such number exists.at n=20A374417