id:A055729 - OEIS Search Results

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Number of primes <= 3^n.

+0
3

0, 2, 4, 9, 22, 53, 129, 327, 847, 2227, 5968, 16097, 43934, 120739, 334349, 931260, 2607165, 7332159, 20700806, 58648288, 166677978, 475023803, 1357200840, 3886548158, 11152818693, 32064929886, 92349038518, 266398236486 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`Index entries for sequences related to numbers of primes in various ranges`
	MATHEMATICA	`Table[PrimePi[3^n], {n, 0, 29}]`
	CROSSREFS	`Cf. A006880 and A007053.` `Sequence in context: A057580 A129875 A055094 this_sequence A048211 A098719 A115324` `Adjacent sequences: A055726 A055727 A055728 this_sequence A055730 A055731 A055732`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000`

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.

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