A024062 - OEIS

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A024062

6^n-1.

0, 5, 35, 215, 1295, 7775, 46655, 279935, 1679615, 10077695, 60466175, 362797055, 2176782335, 13060694015, 78364164095, 470184984575, 2821109907455, 16926659444735, 101559956668415, 609359740010495 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..500`
	FORMULA	`G.f.: 1/(1-6x)-1/(1-x). E.g.f.: exp(6x)-exp(x). [From Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 14 2009]` `a(n+1) = 6*a(n) + 5. [From Reinhard Zumkeller, Nov 22 2009]`
	PROG	`(MAGMA) [6^n-1: n in [0..25]]; // Vincenzo Librandi, Jul 03 2011`
	CROSSREFS	`Sequence in context: A002737 A123008 A038143 * A180250 A002074 A187444` `Adjacent sequences: A024059 A024060 A024061 * A024063 A024064 A024065`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.