id:A115980 - OEIS Search Results

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Array read by rows distributing the values of A000712 (vertically) and A001519 (horizonally).

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1, 2, 2, 3, 2, 4, 4, 3, 2, 4, 6, 5, 4, 6, 2, 4, 6, 8, 6, 3, 4, 4, 8, 9, 2, 4, 6, 8, 10, 7, 4, 12, 8, 4, 8, 12, 12, 2, 4, 6, 8, 10, 12, 8, 3, 6, 5, 4, 14, 21, 12, 4, 8, 12, 16, 15, 2, 4, 6, 8, 10, 12, 14, 9 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`A001906 records the partial sums of the column sequence A001519 and is also the row sum of A078812 and of A085643; sequences linking a(n) to compositions of n having k parts when there are q kinds of part q. - Alford Arnold (Alford1940(AT)aol.com), Apr 30 2006`
	EXAMPLE	`The array begins:` `1` `..2` `....2` `....3` `......2` `......4..3` `......4` `.........2` `.........4..4..3` `.........6..6..4` `.........5` `with column sums beginning 1 2 5 10 20 ...A000712 related to A000041` `and sums over each template beginning 1 2 5 13 34 ...A001519 related to A000045`
	CROSSREFS	`Cf. A000041, A000045.` `Cf. A001906, A078812, A085643.` `Adjacent sequences: A115977 A115978 A115979 this_sequence A115981 A115982 A115983` `Sequence in context: A103391 A061889 A051693 this_sequence A088936 A049822 A140060`
	KEYWORD	`easy,nonn,tabf`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com), Feb 11 2006`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

AT&T Labs Research