99351domain: NAppears in sequencesG.f.: 1/((1-x)*(1-x^2))^3.at n=35A038163Expansion of (3+x)/(1-x)^6.at n=17A059599Main diagonal of rectangular table A121428.at n=5A121429Number of subpartitions of partition P=[0,0,0,1,1,1,1,2,2,2,2,2,3,...], where P(n) = [(sqrt(8*n+25) - 5)/2].at n=30A121432