A273987 Smallest Riesel number to base n.

509203, 63064644938, 9, 346802, 84687, 408034255082, 14, 4, 10176, 862, 25, 302, 4, 36370321851498, 9, 86, 246, 144, 8, 560, 4461, 476, 4, 36, 149, 8, 144, 4, 1369, 134718, 10, 16, 6, 287860, 4, 7772, 13, 4, 81, 8, 15137, 672, 4, 22564, 8177, 14, 3226, 36, 16

Offset: 2

Author

Tim Johannes Ohrtmann, Jun 06 2016

Keywords

• nonn
• hard

Comments

a(2), a(3), a(5), a(6), a(7), a(10), a(15), a(22), a(23), a(30), ... are only conjectural (see links).

Links

• Gary Barnes, Riesel conjectures and proofs.
• Gary Barnes, Riesel conjectures and proofs, Powers of 2.
• Gary Barnes, Condensed table of all conjectures for bases ≤ 1030.
• Wikipedia, Riesel number.

Crossrefs

Cf. A076337, A101036.