A115980 - OEIS

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A115980

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

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; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`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.` `Sequence in context: A061889 A175012 A051693 * A088936 A049822 A140060` `Adjacent sequences: A115977 A115978 A115979 * A115981 A115982 A115983`
	KEYWORD	`easy,nonn,tabf`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com), Feb 11 2006`

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Last modified February 15 12:25 EST 2012. Contains 205786 sequences.