Numbers k such that sigma(k) = psi(k) + 2 * tau(k).

Terms

a(0) =44a(1) =60a(2) =99a(3) =126a(4) =275a(5) =343a(6) =350a(7) =539a(8) =735a(9) =1694a(10) =1815a(11) =1859a(12) =2366a(13) =2535a(14) =3179a(15) =3971a(16) =4046a(17) =4335a(18) =5054a(19) =5415a(20) =5819a(21) =7406a(22) =7935a(23) =9251a(24) =10571a(25) =11774a(26) =12615a(27) =13454a(28) =14415a(29) =15059