Numbers m that divide A306070(m) = Sum_{k=1..m} bphi(k), where bphi is the bi-unitary totient function (A116550).
A356747
Numbers m that divide A306070(m) = Sum_{k=1..m} bphi(k), where bphi is the bi-unitary totient function (A116550).
Terms
- a(0) =1a(1) =2a(2) =141a(3) =1035a(4) =2388a(5) =3973a(6) =5157a(7) =14160a(8) =37023a(9) =68861a(10) =99889a(11) =116106a(12) =117939a(13) =627400a(14) =1561944a(15) =1626983a(16) =5901444a(17) =10054091a(18) =12260525a(19) =32619981a(20) =49775099
External references
- oeis: A356747