id:A086224 - OEIS Search Results

Search: id:A086224

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a(0) = 6, a(n+1) = 2*a(n) + 1.

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6, 13, 27, 55, 111, 223, 447, 895, 1791, 3583, 7167, 14335, 28671, 57343, 114687, 229375, 458751, 917503, 1835007, 3670015, 7340031, 14680063, 29360127, 58720255, 117440511, 234881023, 469762047, 939524095, 1879048191, 3758096383 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n)=-1+7*2^n, n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Jul 31 2008]`
	CROSSREFS	`a(0) = 2 gives A055010 except for initial terms` `a(0) = 4 gives A052549 except initial terms` `a(0) = 6 gives A086224` `a(0) = 8 gives A052549 except initial terms` `a(0) = 10 gives A086225` `a(0) = 12 gives A086226` `a(0) = 14 gives A086227` `a(0) = 16 gives A086228` `a(0) = 18 gives A086229` `Cf. A000975.` `Adjacent sequences: A086221 A086222 A086223 this_sequence A086225 A086226 A086227` `Sequence in context: A101736 A117072 A081395 this_sequence A116913 A016071 A086652`
	KEYWORD	`nonn,easy`
	AUTHOR	`Marco Matosic (marcomatosic(AT)hotmail.com), Jul 27 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Feb 22 2005`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

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