id:A039827 - OEIS Search Results

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Number of different coefficient values in expansion of Product (1+q^i+q^(2i)), i=1 to n.

+0
2

1, 2, 3, 6, 11, 19, 26, 34, 44, 54, 65, 77, 90, 104, 119, 135, 152, 170, 189, 209, 230, 252, 275, 299, 324, 350, 377, 405, 434, 464, 495, 527, 560, 594, 629, 665, 702, 740, 779, 819, 860, 902, 945, 989, 1034, 1080, 1127, 1175, 1224, 1274 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A039826.` `Sequence in context: A054186 A032156 A146385 this_sequence A004135 A090036 A024971` `Adjacent sequences: A039824 A039825 A039826 this_sequence A039828 A039829 A039830`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.

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