Numbers n such that the sum of composites from the smallest prime factor of n to the largest prime factor of n is equal to the sum of squarefree numbers from the smallest prime factor of n to the largest prime factor of n.

A074255

Numbers n such that the sum of composites from the smallest prime factor of n to the largest prime factor of n is equal to the sum of squarefree numbers from the smallest prime factor of n to the largest prime factor of n.

Terms

    a(0) =1a(1) =1147a(2) =3953a(3) =5609a(4) =7387a(5) =35557a(6) =42439a(7) =55189a(8) =64507a(9) =70747a(10) =198907a(11) =233227a(12) =239117a(13) =241133a(14) =264851a(15) =348091a(16) =372091a(17) =398239a(18) =409457a(19) =431633a(20) =443111a(21) =568507a(22) =613121a(23) =657443a(24) =988027a(25) =1071209a(26) =1102267a(27) =1136347a(28) =1315609a(29) =1416091

External references