103496

Appears in sequences

• Sum of fourth powers of first n odd numbers.at n=7A002309
• a(n) = Sum_{k=1..n, gcd(n,k) = 1} k^4.at n=15A053820
• Numerator of Euler(n, 8/25).at n=4A156975
• a(n) = n*(n+1)*(9*n^2 - n - 5)/6.at n=16A172075
• Recurrence a(n) = a(n-2) + n^M for M=4, starting with a(0)=0, a(1)=1.at n=15A231303
• a(n) = 3*p^2+39*p+344+24*gcd(p-1,3)+11*gcd(p-1,4)+2*gcd(p-1,5), where p = prime(n).at n=40A269749
• a(n) = Sum_{1 <= j <= n/2, gcd(j,n)=1} j^4.at n=31A295576
• a(n) = Sum_{1 <= j <= n/2, gcd(j,n)=1} j^4.at n=33A295576