id:A071714 - OEIS Search Results

Search: id:A071714

Displaying 1-1 of 1 results found.

page 1

Numbers n such that Rd(n) + Ld(n) +/-1 is prime, where Rd and Ld are the right- and left-digital factorial functions.

+0
1

2, 3, 6, 9, 33, 90, 102, 195, 210, 276, 379, 380, 402, 414, 575, 588, 616, 618, 916, 939, 980, 984, 1110, 1112, 1210, 1314, 1614, 2132, 2136, 2166, 2190, 2280, 2372, 2394, 2438, 2468, 2730, 2780, 3360, 3436, 3510, 3816, 3842, 3940, 3950, 4222, 4236, 4344 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`195 is a term because (195955)+(195191)+1 = 96331, and (195955)+(195191)-1 = 96329 are both prime.`
	CROSSREFS	`Cf. A067079, A067080.` `Sequence in context: A111274 A133385 A002076 this_sequence A077753 A058911 A056060` `Adjacent sequences: A071711 A071712 A071713 this_sequence A071715 A071716 A071717`
	KEYWORD	`base,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jun 03 2002`

page 1

Search completed in 0.002 seconds

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

AT&T Labs Research