A304330 - OEIS

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A304330 as a triangular array

									1
								0		1
							0		1		12
						0		1		60		360
					0		1		252		5040		20160
				0		1		1020		52920		604800		1814400
			0		1		4092		506880		12640320		99792000		239500800
		0		1		16380		4684680		230630400		3632428800		21794572800		43589145600
	0		1		65532		42653520		3952428480

A304330 as a square array

1	0	0	0	0	0	0	0	0
1	1	1	1	1	1	1	1
12	60	252	1020	4092	16380	65532
360	5040	52920	506880	4684680	42653520
20160	604800	12640320	230630400	3952428480
1814400	99792000	3632428800
239500800	21794572800
43589145600

A304330 as an upper right triangle

1	0	0	0	0	0	0	0	0
	1	1	1	1	1	1	1	1
		12	60	252	1020	4092	16380	65532
			360	5040	52920	506880	4684680	42653520
				20160	604800	12640320	230630400	3952428480
					1814400	99792000	3632428800
						239500800	21794572800
							43589145600