id:A093167 - OEIS Search Results

Search: id:A093167

Displaying 1-1 of 1 results found.

page 1

Primes of the form 20*R_n + 7, where R_n is the repunit (A002275) of length n.

+0
1

7, 227, 222222227, 222222222222227, 2222222222222222222222222227, 2222222222222222222222222222222222222222222222222222222222222227 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A056677 (corresponding n).` `Sequence in context: A015506 A142606 A123832 this_sequence A142116 A081618 A120661` `Adjacent sequences: A093164 A093165 A093166 this_sequence A093168 A093169 A093170`
	KEYWORD	`nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Mar 26 2004`

page 1

Search completed in 0.002 seconds

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research