Numbers n such that phi(sigma(n)) + sigma(phi(n)) < n.

Terms

a(0) =138594a(1) =249474a(2) =277194a(3) =471234a(4) =554394a(5) =665274a(6) =900870a(7) =1015554a(8) =1081074a(9) =1191954a(10) =1244874a(11) =1358274a(12) =1385994a(13) =1607754a(14) =1801794a(15) =1857234a(16) =2189874a(17) =2356170a(18) =2356194a(19) =2411634a(20) =2439354a(21) =2489754a(22) =2522514a(23) =2550234a(24) =2633394a(25) =2688834a(26) =2702670a(27) =2716554