A096358 - OEIS

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A096358

Integer part of the third nesting of the logarithmic integral of 10^n.

3, 7, 17, 52, 207, 999, 5537, 33753, 220283, 1513863, 10833986, 80107339, 608461893, 4726899406, 37431060563, 301327400284, 2460711991071, 20348626872625, 170149288404678, 1436870810843313 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	FORMULA	`Let Li(n) = logarithmic integral of n. a(n) = Li(Li(Li(n)))`
	PROG	`(PARI) \p 100 f(n) = for(x=1, n, print1(floor(Li(Li(Li(10^x))))", ")) Li(x) = { -eint1(log(1/x)) }`
	CROSSREFS	`Sequence in context: A181419 A090977 A014144 * A146147 A153758 A079634` `Adjacent sequences: A096355 A096356 A096357 * A096359 A096360 A096361`
	KEYWORD	`nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Jun 30 2004`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.