id:A145980 - OEIS Search Results

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A061037(4n+2)+A061037(4n+3)+A061037(4n+4)+A061037(4n+5). Second differences are 74's.

+0
3

29, 139, 323, 581, 913, 1319, 1799, 2353, 2981, 3683, 4459, 5309, 6233, 7231, 8303, 9449, 10669, 11963, 13331, 14773, 16289, 17879, 19543, 21281, 23093, 24979, 26939, 28973, 31081, 33263, 35519, 37849, 40253, 42731, 45283, 47909, 50609, 53383, 56231, 59153, 62149, 65219, 68363 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`From Balmer spectrum of hydrogen.`
	FORMULA	`a(n)=3a(n-1)-3a(n-2)+a(n-3). G.f.: (29+52x-7x^2)/(1-x)^3. - R. J. Mathar, Oct 31 2008`
	CROSSREFS	`Sequence in context: A067985 A118873 A162834 this_sequence A142622 A124957 A126416` `Adjacent sequences: A145977 A145978 A145979 this_sequence A145981 A145982 A145983`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Oct 26 2008`
	EXTENSIONS	`Indices in definition edited, extended beyond a(13) by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 31 2008`

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

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