A165680 - OEIS

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A165680 as a triangular array

											1
										1		1
									1		1		1
								1		1		1		2
							1		1		1		2		6
						1		1		1		2		6		24
					1		1		1		2		6		24		120
				1		1		1		2		6		24		120		720
			1		1		1		2		6		24		120		720		5040
		1		1		1		2		6		24		120		720		5040		40320
	1		1		1		2		6		24		120		720		5040		40320		362880

A165680 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	1	1	1	1	1	1	1	1	1
1	1	1	1	1	1	1	1	1
2	2	2	2	2	2	2	2
6	6	6	6	6	6	6
24	24	24	24	24	24
120	120	120	120	120
720	720	720	720
5040	5040	5040
40320	40320
362880

A165680 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	1	1	1	1	1	1	1	1	1
		1	1	1	1	1	1	1	1	1
			2	2	2	2	2	2	2	2
				6	6	6	6	6	6	6
					24	24	24	24	24	24
						120	120	120	120	120
							720	720	720	720
								5040	5040	5040
									40320	40320
										362880