id:A109559 - OEIS Search Results

Search: id:A109559

Displaying 1-1 of 1 results found.

page 1

a(n) = If[Floor[2*Mod[(Prime[n + 1] - Prime[n])*PrimePi[n]/n, 8]] == 5, Prime[n]]

+0
1

23, 31, 283, 337, 409, 421, 547, 577, 631, 661, 797, 997, 1201, 1237, 1307, 1459, 1499, 1511, 1531, 1583, 1709, 1789, 1811, 1889, 2039, 2357, 2423, 2633 (list; graph; listen)

	OFFSET	`0,1`
	MATHEMATICA	`a = Flatten[Table[If[Floor[2Mod[(Prime[n + 1] - Prime[n])PrimePi[n]/n, 8]] == 5, Prime[n], {}], {n, 1, 400}]]`
	CROSSREFS	`Cf. A001359.` `Sequence in context: A155074 A105007 A154291 this_sequence A130825 A087563 A093477` `Adjacent sequences: A109556 A109557 A109558 this_sequence A109560 A109561 A109562`
	KEYWORD	`nonn`
	AUTHOR	`Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 27 2005`

page 1

Search completed in 0.002 seconds

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research