131060domain: NAppears in sequencesExpansion of g.f. 8/(1-2*z)-12/(1-z)+z+5.at n=14A173034Number of integer solutions (a_1, a_2, ... , a_8) to the equation a_1^2 + 2*a_2^2 + ... + 8*a_8^2 = 3*n.at n=38A320243a(n) is the unique k such that A357961(k) = 2^n.at n=17A357993