A273987 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

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

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,1

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

Table of n, a(n) for n=2..50.

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