A172089 - OEIS

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A172089 as a triangular array

											1
										1		1
									1		2		1
								2		3		3		2
							3		8		6		8		3
						8		15		20		20		15		8
					15		48		45		80		45		48		15
				48		105		168		210		210		168		105		48
			105		384		420		896		630		896		420		384		105
		384		945		1728		2520		3024		3024		2520		1728		945		384
	945		3840		4725		11520		9450		16128		9450		11520		4725		3840		945

A172089 as a square array

1	1	1	2	3	8	15	48	105	384	945
1	2	3	8	15	48	105	384	945	3840
1	3	6	20	45	168	420	1728	4725
2	8	20	80	210	896	2520	11520
3	15	45	210	630	3024	9450
8	48	168	896	3024	16128
15	105	420	2520	9450
48	384	1728	11520
105	945	4725
384	3840
945

A172089 as an upper right triangle

1	1	1	2	3	8	15	48	105	384	945
	1	2	3	8	15	48	105	384	945	3840
		1	3	6	20	45	168	420	1728	4725
			2	8	20	80	210	896	2520	11520
				3	15	45	210	630	3024	9450
					8	48	168	896	3024	16128
						15	105	420	2520	9450
							48	384	1728	11520
								105	945	4725
									384	3840
										945