A203300 - OEIS

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A203300 as a triangular array

							1
						1		1
					1		2		1
				1		4		5		2
			1		12		49		78		40
		1		180		11085		270610		2094264		1834560
	1		4210700		4952544856489		1094968722994345590		11723079808649412379800		2086231309557403469400000		2074509324712524510720000

A203300 as a square array

1	1	1	1	1	1	1
1	2	4	12	180	4210700
1	5	49	11085	4952544856489
2	78	270610	1094968722994345590
40	2094264	11723079808649412379800
1834560	2086231309557403469400000
2074509324712524510720000

A203300 as an upper right triangle

1	1	1	1	1	1	1
	1	2	4	12	180	4210700
		1	5	49	11085	4952544856489
			2	78	270610	1094968722994345590
				40	2094264	11723079808649412379800
					1834560	2086231309557403469400000
						2074509324712524510720000