39031domain: NAppears in sequencesNumber of partitions of 2*n into distinct parts with exactly two odd parts.at n=41A096914a(n) = Sum_{i=1..n, j=1..n, gcd(i,j)=1} i.at n=49A333297Triple convolution of the three tribonacci-like sequences A000073(n), A077947(n-2), and A103143(n).at n=17A373445