A075856 - OEIS

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A075856 as a triangular array

								1
							1		3
						2		10		15
					6		40		105		105
				24		196		700		1260		945
			120		1148		5068		12600		17325		10395
		720		7848		40740		126280		242550		270270		135135
	5040		61416		363660		1332100		3213210		5045040		4729725		2027025

A075856 as a square array

1	1	2	6	24	120	720	5040
3	10	40	196	1148	7848	61416
15	105	700	5068	40740	363660
105	1260	12600	126280	1332100
945	17325	242550	3213210
10395	270270	5045040
135135	4729725
2027025

A075856 as an upper right triangle

1	1	2	6	24	120	720	5040
	3	10	40	196	1148	7848	61416
		15	105	700	5068	40740	363660
			105	1260	12600	126280	1332100
				945	17325	242550	3213210
					10395	270270	5045040
						135135	4729725
							2027025