A325220 - OEIS

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A325220 as a triangular array

										1
									2		1
								16		28		1
							272		1032		270		1
						7936		52736		36096		2456		1
					353792		3646208		4766048		1035088		22138		1
				22368256		330545664		704357760		319830400		27426960		199284		1
			1903757312		38188155904		120536980224		93989648000		18598875760		702812568		1793606		1
		209865342976		5488365862912		24060789342208		28745874079744		10324483102720		1002968825344		17753262208		16142512		1
	29088885112832		961530104709120		5590122715250688		9498855414644736		5416305638467584		1013356176688128		51882638754240		445736371872		145282674		1

A325220 as a square array

1	2	16	272	7936	353792	22368256	1903757312	209865342976	29088885112832
1	28	1032	52736	3646208	330545664	38188155904	5488365862912	961530104709120
1	270	36096	4766048	704357760	120536980224	24060789342208	5590122715250688
1	2456	1035088	319830400	93989648000	28745874079744	9498855414644736
1	22138	27426960	18598875760	10324483102720	5416305638467584
1	199284	702812568	1002968825344	1013356176688128
1	1793606	17753262208	51882638754240
1	16142512	445736371872
1	145282674
1

A325220 as an upper right triangle

1	2	16	272	7936	353792	22368256	1903757312	209865342976	29088885112832
	1	28	1032	52736	3646208	330545664	38188155904	5488365862912	961530104709120
		1	270	36096	4766048	704357760	120536980224	24060789342208	5590122715250688
			1	2456	1035088	319830400	93989648000	28745874079744	9498855414644736
				1	22138	27426960	18598875760	10324483102720	5416305638467584
					1	199284	702812568	1002968825344	1013356176688128
						1	1793606	17753262208	51882638754240
							1	16142512	445736371872
								1	145282674
									1