A055731 - OEIS

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A055731

Number of primes < 6^n.

0, 3, 11, 47, 210, 985, 4821, 24427, 126726, 669432, 3588148, 19453038, 106460872, 587176205, 3259873268, 18200088376, 102107048666, 575281018454 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Index entries for sequences related to numbers of primes in various ranges`
	MATHEMATICA	`Table[PrimePi[6^n], {n, 0, 17}]`
	CROSSREFS	`Cf. A006880, A007053 and A040014.` `Sequence in context: A151156 A151157 A151158 * A151159 A151160 A151161` `Adjacent sequences: A055728 A055729 A055730 * A055732 A055733 A055734`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000`

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Last modified February 16 15:56 EST 2012. Contains 205934 sequences.