1713726domain: NAppears in sequencesSum of fourth powers of first n odd numbers.at n=13A002309Recurrence a(n) = a(n-2) + n^M for M=4, starting with a(0)=0, a(1)=1.at n=27A231303Expansion of e.g.f. ( Product_{k>0} 1/(1-x^k)^k )^(1/(1-x)).at n=7A356337