100770domain: NAppears in sequencesG.f.: (1+x+x^3+x^5)/( (1-x^2+x^3)*(1-x-x^3) ).at n=29A177485Expansion of exp( Sum_{n>=1} sigma_3(2*n)*x^n/n ) in powers of x.at n=6A282327Number of (undirected) paths in the prism graph Y_n.at n=9A287992Numbers k such that k and k+2 are both terms in A380846.at n=18A381073