A087323 - OEIS

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A087323

Leading diagonal of triangle A087322.

3, 11, 31, 79, 191, 447, 1023, 2303, 5119, 11263, 24575, 53247, 114687, 245759, 524287, 1114111, 2359295, 4980735, 10485759, 22020095, 46137343, 96468991, 201326591, 419430399, 872415231, 1811939327, 3758096383, 7784628223 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Row sums of triangle in A018900. - Reinhard Zumkeller, Jun 24 2009`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 1..3000`
	FORMULA	`a(n) = (n+1)*2^n - 1.`
	PROG	`(MAGMA) [((n+1)*2^n - 1): n in [1..30]]; // Vincenzo Librandi, Sep 29 2011`
	CROSSREFS	`Cf. A087322.` `Sequence in context: A097081 A107587 A190590 * A034543 A054343 A108898` `Adjacent sequences: A087320 A087321 A087322 * A087324 A087325 A087326`
	KEYWORD	`nonn,easy`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 03 2003`
	EXTENSIONS	`Edited and extended by David Wasserman, May 06 2005`

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Last modified February 14 05:35 EST 2012. Contains 205570 sequences.