To give an indication of his father's work during the time that Dick was growing up, let us mention that DNL published Factor table for the first ten millions when Dick was four years old, and List of prime numbers from 1 to 10006721 when he was nine. Dick was fascinated to listen to his father describe mathematical ideas to him even at this age.
Upang bigyan ng indikasyon ng kanyang ama sa trabaho sa oras ng panahon na dick ay lumalaki up, sa amin banggitin na DNL-publish na kadahilanan table sa unang sampung milyon-milyong kapag dick ay apat na taong gulang, at Listahan ng mga kalakasan numero 1-10006721 kapag siya ay siyam na . Titi ay nabighani makinig sa kanyang ama naglalarawan sa matematika ideya sa kanya kahit na sa edad na ito.