Numbers such that the minimum distance between divisors of n occurs only between composite numbers.

Terms

a(0) =14399a(1) =34595a(2) =82943a(3) =89999a(4) =100793a(5) =116963a(6) =158389a(7) =172975a(8) =224675a(9) =244783a(10) =245021a(11) =266255a(12) =278783a(13) =281957a(14) =285155a(15) =304703a(16) =331177a(17) =338723a(18) =343387a(19) =380545a(20) =417571a(21) =446369a(22) =447557a(23) =484415a(24) =497021a(25) =532763a(26) =580601a(27) =585221a(28) =588115a(29) =590359