A350970 - OEIS

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A350970 as a triangular array

											1
										1		1
									1		1		1
								1		2		2		2
							2		5		8		6		6
						5		16		28		40		24		24
					16		61		136		180		240		120		120
				61		272		662		1232		1320		1680		720		720
			272		1385		3968		7266		12096		10920		13440		5040		5040
		1385		7936		24568		56320		83664		129024		100800		120960		40320		40320
	7936		50521		176896		408360		814080		1023120		1491840		1028160		1209600		362880		362880

A350970 as a square array

1	1	1	1	2	5	16	61	272	1385	7936
1	1	2	5	16	61	272	1385	7936	50521
1	2	8	28	136	662	3968	24568	176896
2	6	40	180	1232	7266	56320	408360
6	24	240	1320	12096	83664	814080
24	120	1680	10920	129024	1023120
120	720	13440	100800	1491840
720	5040	120960	1028160
5040	40320	1209600
40320	362880
362880

A350970 as an upper right triangle

1	1	1	1	2	5	16	61	272	1385	7936
	1	1	2	5	16	61	272	1385	7936	50521
		1	2	8	28	136	662	3968	24568	176896
			2	6	40	180	1232	7266	56320	408360
				6	24	240	1320	12096	83664	814080
					24	120	1680	10920	129024	1023120
						120	720	13440	100800	1491840
							720	5040	120960	1028160
								5040	40320	1209600
									40320	362880
										362880