id:A049510 - OEIS Search Results

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Numbers n such that prime(n) == 9 mod 10.

+0
3

8, 10, 17, 22, 24, 29, 34, 35, 41, 46, 50, 52, 57, 70, 72, 75, 77, 80, 81, 85, 87, 92, 95, 97, 104, 109, 114, 120, 127, 128, 131, 136, 140, 145, 146, 149, 157, 158, 169, 171, 175, 176, 180, 186, 189, 201, 204, 205, 207, 209, 215, 222, 223, 226, 228, 232, 237, 239 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = PrimePi(A030433(n-1)).`
	MATHEMATICA	`Select[Range[240], Mod[Prime[ # ], 10] == 9 &] (Chandler)`
	CROSSREFS	`Cf. A030433, A102700.` `Sequence in context: A038209 A061908 A056020 this_sequence A121846 A059094 A015732` `Adjacent sequences: A049507 A049508 A049509 this_sequence A049511 A049512 A049513`
	KEYWORD	`nonn`
	AUTHOR	`njas`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 07 2006`

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.

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