a(n) = index of first appearance of n in A096862.

Terms

a(0) =1a(1) =2a(2) =5a(3) =11a(4) =19a(5) =43a(6) =53a(7) =101a(8) =1297a(9) =883a(10) =1009a(11) =1037a(12) =1051a(13) =985a(14) =2391a(15) =12101a(16) =13457a(17) =21887a(18) =42683a(19) =69697a(20) =50177a(21) =115601a(22) =113669a(23) =88897a(24) =156817a(25) =184477a(26) =247487a(27) =245029a(28) =187273a(29) =287543