A266655 - OEIS

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A266655 as a triangular array

									1
								1		1
							1		1		2
						1		2		11		6
					1		3		91		234		24
				1		6		829		14540		8466		120
			1		10		8013		1044230		5127134		465690		720
		1		20		80497		81918724		3801147519		3413004556		36290610		5040
	1		35		830673		6799306012		3172383570943		32355628895416

A266655 as a square array

1	1	1	1	1	1	1	1	1
1	1	2	3	6	10	20	35
2	11	91	829	8013	80497	830673
6	234	14540	1044230	81918724	6799306012
24	8466	5127134	3801147519	3172383570943
120	465690	3413004556	32355628895416
720	36290610
5040

A266655 as an upper right triangle

1	1	1	1	1	1	1	1	1
	1	1	2	3	6	10	20	35
		2	11	91	829	8013	80497	830673
			6	234	14540	1044230	81918724	6799306012
				24	8466	5127134	3801147519	3172383570943
					120	465690	3413004556	32355628895416
						720	36290610
							5040