35414domain: NAppears in sequencesa(n) = n + (n+1)^2 + (n+2)^3 + (n+3)^4 + (n+4)^5.at n=4A027622Numbers n such that sigma(sigma(phi(n))) = sigma(sigma(n)).at n=37A172466Number of partitions p of n such that (1/5)*max(p) is a part of p.at n=52A363068