49865domain: NAppears in sequencesLet b(0)=1/2, b(n) = (b(n-1)+Prime[n])/2; sequence gives 2^(n+1)*b(n).at n=10A112044Expansion of Product_{k>=1} 1/(1 - (5*k-3)*x^(5*k-3)).at n=31A265833Sum of the squarefree parts of the partitions of n into 5 parts.at n=45A309480