Numbers k such that phi(k) = phi(sigma(k)) and A003958(k) = A003958(sigma(k)).

Terms

a(0) =1a(1) =26a(2) =74a(3) =122a(4) =146a(5) =314a(6) =386a(7) =554a(8) =626a(9) =794a(10) =842a(11) =914a(12) =1082a(13) =1226a(14) =1322a(15) =1346a(16) =1466a(17) =1514a(18) =1754a(19) =1994a(20) =2186a(21) =2306a(22) =2402a(23) =2426a(24) =2474a(25) =2642a(26) =2762a(27) =2906a(28) =3242a(29) =3314