92559667200domain: NAppears in sequencesE.g.f.: Product_{k>=1} 1/(1 - x^(4*k-1)/(4*k-1)).at n=15A326779Expansion of e.g.f. 1 / ( 1 - Sum_{k>=0} x^(4*k+3) / (4*k+3) ).at n=15A365981