Position of first occurrence of n in A256918.

Terms

a(0) =1a(1) =4a(2) =3a(3) =5a(4) =7a(5) =11a(6) =29a(7) =13a(8) =10a(9) =15a(10) =122a(11) =19a(12) =200a(13) =31a(14) =24a(15) =18a(16) =299a(17) =22a(18) =824a(19) =16a(20) =33a(21) =124a(22) =945a(23) =41a(24) =26a(25) =202a(26) =21a(27) =37a(28) =3093a(29) =45