Position of n in the sequence (or tree) S generated in order by these rules: 0 is in S; if x is in S then x + 1 is in S; if nonzero x is in S then 1/x is in S; if x is in S, then i*x is in S; where duplicates are deleted as they occur.
A233694
Position of n in the sequence (or tree) S generated in order by these rules: 0 is in S; if x is in S then x + 1 is in S; if nonzero x is in S then 1/x is in S; if x is in S, then i*x is in S; where duplicates are deleted as they occur.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =5a(4) =11a(5) =23a(6) =49a(7) =102a(8) =212a(9) =443a(10) =926a(11) =1939a(12) =4064a(13) =8509a(14) =17816a(15) =37303a(16) =78105a(17) =163544a(18) =342454a(19) =717076a(20) =1501502a(21) =3144024a(22) =6583334a(23) =13784969
External references
- oeis: A233694