A269646 - OEIS

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A269646 as a triangular array

									1
								1		2
							1		6		6
						1		14		74		24
					1		34		574		1880		120
				1		92		4564		68876		80316		720
			1		258		41526		2316638		18375702		5141864		5040
		1		722		419516		94747953		3291772332		9213264418		458608016		40320
	1		2022		4351224		4581555620

A269646 as a square array

1	1	1	1	1	1	1	1	1
2	6	14	34	92	258	722	2022
6	74	574	4564	41526	419516	4351224
24	1880	68876	2316638	94747953	4581555620
120	80316	18375702	3291772332
720	5141864	9213264418
5040	458608016
40320

A269646 as an upper right triangle

1	1	1	1	1	1	1	1	1
	2	6	14	34	92	258	722	2022
		6	74	574	4564	41526	419516	4351224
			24	1880	68876	2316638	94747953	4581555620
				120	80316	18375702	3291772332
					720	5141864	9213264418
						5040	458608016
							40320