Start with 209; if even, divide by 2; if odd, add the next three primes: Trajectory of 209 under iterations of A174221, the "PrimeLatz" map.

A293981

Start with 209; if even, divide by 2; if odd, add the next three primes: Trajectory of 209 under iterations of A174221, the "PrimeLatz" map.

Terms

    a(0) =209a(1) =870a(2) =435a(3) =1766a(4) =883a(5) =3588a(6) =1794a(7) =897a(8) =3634a(9) =1817a(10) =7318a(11) =3659a(12) =14680a(13) =7340a(14) =3670a(15) =1835a(16) =7410a(17) =3705a(18) =14860a(19) =7430a(20) =3715a(21) =14894a(22) =7447a(23) =29814a(24) =14907a(25) =59698a(26) =29849a(27) =119430a(28) =59715a(29) =238910

External references