a(n) is the least number k for which A330437(k) = n.

Terms

a(0) =1a(1) =4a(2) =12a(3) =27a(4) =26a(5) =182a(6) =183a(7) =319a(8) =280a(9) =842a(10) =1045a(11) =1718a(12) =1989a(13) =1985a(14) =1983a(15) =1922a(16) =5673a(17) =8546a(18) =11760a(19) =13371a(20) =15606a(21) =16659a(22) =15827a(23) =15732a(24) =15833a(25) =15210a(26) =15416a(27) =15707a(28) =15334a(29) =15251