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 A115980 Array read by rows distributing the values of A000712 (vertically) and A001519 (horizontally). 0
 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; text; 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, Apr 30 2006 LINKS Table of n, a(n) for n=0..63. 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: A266470 A371745 A209700 * A088936 A328405 A049822 Adjacent sequences: A115977 A115978 A115979 * A115981 A115982 A115983 KEYWORD easy,nonn,tabf AUTHOR Alford Arnold, Feb 11 2006 STATUS approved

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Last modified July 19 19:50 EDT 2024. Contains 374436 sequences. (Running on oeis4.)