928256domain: NAppears in sequencesa(1) = 1, a(2) = 1, a(n) = sum of tau(n) previous terms, where tau(n) is the number of divisors of n.at n=23A087549Recurrence a(n) = a(n-2) + n^M for M=5, starting with a(0)=0, a(1)=1.at n=14A231304Sum of fifth powers of the first n even numbers.at n=7A265021