id:A140659 - OEIS Search Results

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Floor(A140657(n+1)/10).

+0
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0, 0, 1, 2, 6, 12, 25, 50, 102, 204, 409, 818, 1638, 3276, 6553, 13106, 26214, 52428, 104857, 209714, 419430, 838860, 1677721, 3355442, 6710886, 13421772, 26843545, 53687090, 107374182, 214748364, 429496729, 858993458, 1717986918, 3435973836 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(2n+2)=4*a(2n)+A000034(n).` `a(2n+1)=2a(2n).`
	CROSSREFS	`Cf. A093387.` `Sequence in context: A045925 A128020 A116562 this_sequence A099495 A151385 A034875` `Adjacent sequences: A140656 A140657 A140658 this_sequence A140660 A140661 A140662`
	KEYWORD	`nonn,less,base`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Jul 10 2008`
	EXTENSIONS	`Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 29 2008`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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