1769117domain: NAppears in sequencesG.f.: exp( Sum_{n>=1} x^n / (n*(1-x)^n * (1-x^n)) ).at n=20A227682Somos's sequence {b(3,n)} defined in comment in A078495: a(0)=a(1)=...=a(8)=1; for n>=9, a(n)=(a(n-1)*a(n-8)+a(n-4)*a(n-5))/a(n-9).at n=27A268199