Composite squarefree numbers n such that p+d(n) divides n+d(n), where p are the prime factors of n and d(n) the number of divisors of n.

A228299

Composite squarefree numbers n such that p+d(n) divides n+d(n), where p are the prime factors of n and d(n) the number of divisors of n.

Terms

    a(0) =21098a(1) =134930a(2) =343027a(3) =361730a(4) =387127a(5) =751394a(6) =793595a(7) =1344517a(8) =1430449a(9) =1579394a(10) =1794854a(11) =3542797a(12) =5022254a(13) =7930117a(14) =9241627a(15) =12122947a(16) =21089129a(17) =21928717a(18) =49825117a(19) =70233329a(20) =78795074a(21) =90079589a(22) =95208734a(23) =110995807a(24) =124648303a(25) =124964219a(26) =144871634

External references