id:A124198 - OEIS Search Results

Search: id:A124198

Displaying 1-1 of 1 results found.

page 1

Numbers n such that 21*n + 1 is prime.

+0
1

2, 6, 10, 16, 18, 20, 22, 26, 30, 32, 36, 42, 46, 48, 50, 52, 62, 68, 70, 76, 82, 92, 96, 102, 108, 110, 116, 120, 126, 128, 130, 136, 146, 148 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`If n=148 then (21*n +1) = 3109 (prime).`
	CROSSREFS	`Cf. A024905, A124127.` `Adjacent sequences: A124195 A124196 A124197 this_sequence A124199 A124200 A124201` `Sequence in context: A050895 A097022 A137236 this_sequence A032426 A096184 A030511`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Dec 06 2006`

page 1

Search completed in 0.002 seconds

Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research