A153878 - OEIS

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A153878 as a triangular array

									2
								3		3
							2		44		2
						2		310		310		2
					2		728		9772		728		2
				2		1486		127680		127680		1486		2
			2		2684		564510		6099016		564510		2684		2
		2		4422		1857042		117489766		117489766		1857042		4422		2
	2		6800		5050056		789984688		7480610540		789984688		5050056

A153878 as a square array

2	3	2	2	2	2	2	2	2
3	44	310	728	1486	2684	4422	6800
2	310	9772	127680	564510	1857042	5050056
2	728	127680	6099016	117489766	789984688
2	1486	564510	117489766	7480610540
2	2684	1857042	789984688
2	4422	5050056
2

A153878 as an upper right triangle

2	3	2	2	2	2	2	2	2
	3	44	310	728	1486	2684	4422	6800
		2	310	9772	127680	564510	1857042	5050056
			2	728	127680	6099016	117489766	789984688
				2	1486	564510	117489766	7480610540
					2	2684	1857042	789984688
						2	4422	5050056
							2