Numbers n such that n + sigma(n) + phi(n) is a repdigit.

Terms

a(0) =1a(1) =2a(2) =3a(3) =11a(4) =12a(5) =14a(6) =16a(7) =32a(8) =37a(9) =216a(10) =325a(11) =1851a(12) =2962a(13) =6836a(14) =18125a(15) =178569a(16) =3652175a(17) =7404814a(18) =10599021a(19) =196259690a(20) =370355439a(21) =2962962962a(22) =7355242534a(23) =7404880354a(24) =31328532351