187017domain: NAppears in sequencesSum of fourth powers of first n odd numbers.at n=8A002309Recurrence a(n) = a(n-2) + n^M for M=4, starting with a(0)=0, a(1)=1.at n=17A231303a(n) = Sum_{1 <= j <= n/2, gcd(j,n)=1} j^4.at n=37A295576