a(n) is the number of numbers k such that A340873(k) = n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =6a(7) =8a(8) =11a(9) =15a(10) =21a(11) =29a(12) =40a(13) =54a(14) =74a(15) =102a(16) =139a(17) =189a(18) =259a(19) =355a(20) =486a(21) =664a(22) =908a(23) =1242a(24) =1697a(25) =2317a(26) =3165a(27) =4326a(28) =5911a(29) =8076