12977875domain: NAppears in sequencesa(n) = (10*n + 5)^3.at n=23A017331a(n) = (11*n + 4)^3.at n=21A017439a(n) = (12*n + 7)^3.at n=19A017607Lucky numbers that are pure (perfect) powers with exponent greater than 2.at n=25A139308