Index of first occurrence of n in A364197.

Terms

a(0) =0a(1) =1a(2) =3a(3) =6a(4) =11a(5) =16a(6) =26a(7) =43a(8) =69a(9) =115a(10) =141a(11) =158a(12) =208a(13) =293a(14) =358a(15) =440a(16) =541a(17) =642a(18) =743a(19) =1117a(20) =1378a(21) =1612a(22) =1826a(23) =2052a(24) =2494a(25) =2856a(26) =3181a(27) =3703a(28) =4107a(29) =4862