Trajectory of 3 under map n -> 47n+1 if n odd, n->n/2 if n even.

A037121

Trajectory of 3 under map n -> 47n+1 if n odd, n->n/2 if n even.

Terms

    a(0) =3a(1) =142a(2) =71a(3) =3338a(4) =1669a(5) =78444a(6) =39222a(7) =19611a(8) =921718a(9) =460859a(10) =21660374a(11) =10830187a(12) =509018790a(13) =254509395a(14) =11961941566a(15) =5980970783a(16) =281105626802a(17) =140552813401

External references