A143219 - OEIS

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A143219 as a triangular array

										1
									2		6
								3		9		18
							4		12		24		40
						5		15		30		50		75
					6		18		36		60		90		126
				7		21		42		70		105		147		196
			8		24		48		80		120		168		224		288
		9		27		54		90		135		189		252		324		405
	10		30		60		100		150		210		280		360		450		550

A143219 as a square array

1	2	3	4	5	6	7	8	9	10
6	9	12	15	18	21	24	27	30
18	24	30	36	42	48	54	60
40	50	60	70	80	90	100
75	90	105	120	135	150
126	147	168	189	210
196	224	252	280
288	324	360
405	450
550

A143219 as an upper right triangle

1	2	3	4	5	6	7	8	9	10
	6	9	12	15	18	21	24	27	30
		18	24	30	36	42	48	54	60
			40	50	60	70	80	90	100
				75	90	105	120	135	150
					126	147	168	189	210
						196	224	252	280
							288	324	360
								405	450
									550