722666

Appears in sequences

• Sum of fourth powers: 0^4 + 1^4 + ... + n^4.at n=20A000538
• Sum of the fourth powers of the parts in the partitions of n into two parts.at n=20A294271
• Sum of the fourth powers of the parts in the partitions of n into two distinct parts.at n=20A294288
• a(n) = Sum_{1 <= j <= n/2, gcd(j,n)=1} j^4.at n=40A295576