id:A076829 - OEIS Search Results

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Floor(log(log(n^n^n)) (or 0 if not finite).

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0, 1, 3, 5, 8, 11, 14, 17, 20, 23, 27, 30, 34, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 90, 94, 98, 103, 107, 112, 116, 121, 125, 130, 134, 139, 144, 148, 153, 158, 163, 167, 172, 177, 182, 187, 192, 196, 201, 206, 211, 216, 221, 226, 231, 236, 241, 247 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) = floor(n*log(n) + log(log(n))).`
	EXAMPLE	`3^3^3 = 3^27 = 7625597484987. ln(ln(7625597484987)) = 3.38..., so a(3)= 3.`
	MATHEMATICA	`Table[ Floor[ n * Log[n] + Log[ Log[n]]], {n, 2, 60}]`
	CROSSREFS	`Cf. A002488, A000312, A050504.` `Sequence in context: A022852 A095375 A129260 this_sequence A084505 A084555 A102696` `Adjacent sequences: A076826 A076827 A076828 this_sequence A076830 A076831 A076832`
	KEYWORD	`nonn`
	AUTHOR	`N. Fernandez (primeness(AT)borve.org), Nov 20 2002`
	EXTENSIONS	`Edited by Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 22 2002`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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