Composite squarefree numbers n such that p-tau(n) divides n+phi(n), where p are the prime factors of n, tau(n) = A000005(n) and phi(n) = A000010(n).

A229321

Composite squarefree numbers n such that p-tau(n) divides n+phi(n), where p are the prime factors of n, tau(n) = A000005(n) and phi(n) = A000010(n).

Terms

    a(0) =6a(1) =10a(2) =15a(3) =21a(4) =39a(5) =110a(6) =170a(7) =609a(8) =897a(9) =935a(10) =1265a(11) =1729a(12) =2882a(13) =2915a(14) =12374a(15) =15387a(16) =161833a(17) =411230a(18) =444797a(19) =558830a(20) =842741a(21) =881705a(22) =1091810a(23) =1122501a(24) =1163990a(25) =1342165a(26) =1565565a(27) =1898259a(28) =2763901a(29) =4157605

External references