Numbers k such that j(k)*phi(k) = s(phi(k)), where j(k) = A033831(k), s(k) = sigma(k) - k.

Terms

a(0) =1a(1) =2a(2) =7a(3) =9a(4) =29a(5) =143a(6) =155a(7) =183a(8) =731a(9) =791a(10) =1011a(11) =1346a(12) =35659a(13) =60484a(14) =65524a(15) =525227a(16) =525557a(17) =525617a(18) =526697a(19) =529817a(20) =531779a(21) =567437a(22) =1047554a(23) =2541679a(24) =33550337a(25) =214486281a(26) =1476844097a(27) =1478227937a(28) =1543409687a(29) =14200144243