A288777 - OEIS

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A288777 as a triangular array

											1
										2		2
									3		4		6
								4		6		12		24
							5		8		18		48		120
						6		10		24		72		240		720
					7		12		30		96		360		1440		5040
				8		14		36		120		480		2160		10080		40320
			9		16		42		144		600		2880		15120		80640		362880
		10		18		48		168		720		3600		20160		120960		725760		3628800
	11		20		54		192		840		4320		25200		161280		1088640

A288777 as a square array

1	2	3	4	5	6	7	8	9	10	11
2	4	6	8	10	12	14	16	18	20
6	12	18	24	30	36	42	48	54
24	48	72	96	120	144	168	192
120	240	360	480	600	720	840
720	1440	2160	2880	3600	4320
5040	10080	15120	20160	25200
40320	80640	120960	161280
362880	725760	1088640
3628800

A288777 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11
	2	4	6	8	10	12	14	16	18	20
		6	12	18	24	30	36	42	48	54
			24	48	72	96	120	144	168	192
				120	240	360	480	600	720	840
					720	1440	2160	2880	3600	4320
						5040	10080	15120	20160	25200
							40320	80640	120960	161280
								362880	725760	1088640
									3628800