Numbers k such that sigma(k) = phi(k*bigomega(k)+1).

Terms

a(0) =1a(1) =6a(2) =27a(3) =30a(4) =38a(5) =55a(6) =56a(7) =85a(8) =87a(9) =445a(10) =451a(11) =476a(12) =618a(13) =655a(14) =715a(15) =717a(16) =897a(17) =913a(18) =1221a(19) =1265a(20) =1357a(21) =2095a(22) =2367a(23) =2515a(24) =2765a(25) =3009a(26) =3231a(27) =3247a(28) =3471a(29) =3605