45981

Appears in sequences

• a(n) = Sum_{d|n} sigma(n/d)*d^3.at n=34A027847
• Number of ways to color edges of a tetrahedron using <= n colors.at n=9A046023
• Numbers n such that n | 9^n + 8^n + 7^n + 6^n + 5^n + 4^n.at n=38A057260
• Partial sums of A051941.at n=25A136105
• a(1)=1, a(2)=2, a(n)=a(n-1)+floor(a(n-2)*a(n-1)/(a(n-2)+a(n-1))).at n=32A173090
• Indices of primes in the tribonacci-like sequence A214827.at n=33A242324
• a(n) = Sum_{d|n} d^3*A000593(n/d).at n=34A288419
• a(n) = Sum_{k=1..n} (-1)^(k+1) * floor((n/k)^n).at n=5A350224