A331590 - OEIS

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A331590 as a triangular array

													1
												2		2
											3		3		3
										4		6		6		4
									5		8		5		8		5
								6		10		12		12		10		6
							7		5		15		9		15		5		7
						8		14		10		20		20		10		14		8
					9		12		21		24		7		24		21		12		9
				10		18		24		28		30		30		28		24		18		10
			11		15		27		18		35		15		35		18		27		15		11
		12		22		30		36		40		42		42		40		36		30		22		12
	13		24		33		40		45		20		11		20		45		40		33		24		13

A331590 as a square array

1	2	3	4	5	6	7	8	9	10	11	12	13
2	3	6	8	10	5	14	12	18	15	22	24
3	6	5	12	15	10	21	24	27	30	33
4	8	12	9	20	24	28	18	36	40
5	10	15	20	7	30	35	40	45
6	5	10	24	30	15	42	20
7	14	21	28	35	42	11
8	12	24	18	40	20
9	18	27	36	45
10	15	30	40
11	22	33
12	24
13

A331590 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11	12	13
	2	3	6	8	10	5	14	12	18	15	22	24
		3	6	5	12	15	10	21	24	27	30	33
			4	8	12	9	20	24	28	18	36	40
				5	10	15	20	7	30	35	40	45
					6	5	10	24	30	15	42	20
						7	14	21	28	35	42	11
							8	12	24	18	40	20
								9	18	27	36	45
									10	15	30	40
										11	22	33
											12	24
												13