A213529 Smallest Riesel number that is divisible by the n-th prime.

7148695169714208807, 84392786545, 42270067, 1254341, 514389187, 16861093, 1730653, 1730681, 4485343, 790841, 15692699, 992077, 2136283, 1730681, 24683107, 9666029, 9560713, 33282853, 9375479, 14604599, 1247173, 19437853, 34546507, 790841, 3781541, 1715053, 17710319, 45501941

Offset

2,1

Comments

Some examples of Riesel numbers that are divisible by 3 are in A187714.

For an odd prime p and odd k, if p divides k, then p does not divide k*2^n - 1 for any n.

Links

Arkadiusz Wesolowski, Table of n, a(n) for n = 2..1000

Chris Caldwell, The Prime Glossary, Riesel number

Example

1254341 is first Riesel number that is divisible by 11, the 5th prime - so a(5) = 1254341.

Crossrefs

Cf. A076337, A101036, A187714, A222534.

Sequence in context: A120317 A219283 A306797 * A187714 A222534 A071759

Adjacent sequences: A213526 A213527 A213528 * A213530 A213531 A213532

Keyword

nonn

Author

Arkadiusz Wesolowski, Jun 13 2012

Extensions

Offset changed and initial term added by Arkadiusz Wesolowski, May 11 2017

Status

approved