A281881 - OEIS

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A281881 as a triangular array

								1
							2		6
						3		18		36
					4		36		144		240
				5		60		360		1200		1800
			6		90		720		3600		10800		15120
		7		126		1260		8400		37800		105840		141120
	8		168		2016		16800		100800		423360		1128960		1451520

A281881 as a square array

1	2	3	4	5	6	7	8
6	18	36	60	90	126	168
36	144	360	720	1260	2016
240	1200	3600	8400	16800
1800	10800	37800	100800
15120	105840	423360
141120	1128960
1451520

A281881 as an upper right triangle

1	2	3	4	5	6	7	8
	6	18	36	60	90	126	168
		36	144	360	720	1260	2016
			240	1200	3600	8400	16800
				1800	10800	37800	100800
					15120	105840	423360
						141120	1128960
							1451520