a(n) is the smallest m for which A188550(m)=n, or a(n)=0 if no such m exists.

Terms

a(0) =4a(1) =6a(2) =10a(3) =14a(4) =34a(5) =26a(6) =107a(7) =50a(8) =74a(9) =98a(10) =317a(11) =122a(12) =5443a(13) =386a(14) =290a(15) =242a(16) =1577a(17) =362a(18) =2837a(19) =482a(20) =1154a(21) =6146a(22) =3467a(23) =722a(24) =2594a(25) =11027a(26) =1802a(27) =1922a(28) =14177a(29) =1442