A143267 - OEIS

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A143267 as a triangular array

											1
										1		2
									2		4		6
								2		4		6		8
							4		8		12		16		20
						2		4		6		8		10		12
					6		12		18		24		30		36		42
				4		8		12		16		20		24		28		32
			6		12		18		24		30		36		42		48		54
		4		8		12		16		20		24		28		32		36		40
	10		20		30		40		50		60		70		80		90		100

A143267 as a square array

1	1	2	2	4	2	6	4	6	4	10
2	4	4	8	4	12	8	12	8	20
6	6	12	6	18	12	18	12	30
8	16	8	24	16	24	16	40
20	10	30	20	30	20	50
12	36	24	36	24	60
42	28	42	28	70
32	48	32	80
54	36	90
40	100

A143267 as an upper right triangle

1	1	2	2	4	2	6	4	6	4	10
	2	4	4	8	4	12	8	12	8	20
		6	6	12	6	18	12	18	12	30
			8	16	8	24	16	24	16	40
				20	10	30	20	30	20	50
					12	36	24	36	24	60
						42	28	42	28	70
							32	48	32	80
								54	36	90
									40	100