A089913 - OEIS

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A089913 as a triangular array

													1
												2		2
											3		1		3
										4		6		6		4
									5		2		1		2		5
								6		10		12		12		10		6
							7		3		15		1		15		3		7
						8		14		2		20		20		2		14		8
					9		4		21		6		1		6		21		4		9
				10		18		24		28		30		30		28		24		18		10
			11		5		3		2		35		1		35		2		3		5		11
		12		22		30		36		40		42		42		40		36		30		22		12
	13		6		33		10		45

A089913 as a square array

1	2	3	4	5	6	7	8	9	10	11	12	13
2	1	6	2	10	3	14	4	18	5	22	6
3	6	1	12	15	2	21	24	3	30	33
4	2	12	1	20	6	28	2	36	10
5	10	15	20	1	30	35	40	45
6	3	2	6	30	1	42
7	14	21	28	35	42
8	4	24	2	40
9	18	3	36
10	5	30
11	22
12

A089913 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11	12	13
	2	1	6	2	10	3	14	4	18	5	22	6
		3	6	1	12	15	2	21	24	3	30	33
			4	2	12	1	20	6	28	2	36	10
				5	10	15	20	1	30	35	40	45
					6	3	2	6	30	1	42
						7	14	21	28	35	42
							8	4	24	2	40
								9	18	3	36
									10	5	30
										11	22
											12

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Last modified September 20 16:38 EDT 2024. Contains 376074 sequences. (Running on oeis4.)