A128413 - OEIS

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A128413 as a triangular array

										1
									2		1
								12		8		1
							80		60		12		1
						560		448		112		16		1
					4032		3360		960		180		20		1
				29568		25344		7920		1760		264		24		1
			219648		192192		64064		16016		2912		364		28		1
		1647360		1464320		512512		139776		29120		4480		480		32		1
	12446720

A128413 as a square array

1	2	12	80	560	4032	29568	219648	1647360	12446720
1	8	60	448	3360	25344	192192	1464320
1	12	112	960	7920	64064	512512
1	16	180	1760	16016	139776
1	20	264	2912	29120
1	24	364	4480
1	28	480
1	32
1

A128413 as an upper right triangle

1	2	12	80	560	4032	29568	219648	1647360	12446720
	1	8	60	448	3360	25344	192192	1464320
		1	12	112	960	7920	64064	512512
			1	16	180	1760	16016	139776
				1	20	264	2912	29120
					1	24	364	4480
						1	28	480
							1	32
								1