Composite numbers m such that tau_k(m) = m for some k, where tau_k is the k-th Piltz divisor function (A077592).

A327774

Composite numbers m such that tau_k(m) = m for some k, where tau_k is the k-th Piltz divisor function (A077592).

Terms

    a(0) =18a(1) =36a(2) =75a(3) =100a(4) =200a(5) =224a(6) =225a(7) =441a(8) =560a(9) =1183a(10) =1344a(11) =1920a(12) =3025a(13) =8281a(14) =26011a(15) =34606a(16) =64009a(17) =72030a(18) =76895a(19) =115351a(20) =197173a(21) =280041a(22) =494209a(23) =538265a(24) =1168561a(25) =1947271a(26) =2927521a(27) =3575881a(28) =3613153a(29) =3780295

External references