A338805 - OEIS

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A338805 as a triangular array

										1
									2		1
								4		6		1
							18		28		12		1
						48		170		100		20		1
					480		988		870		260		30		1
				1440		7896		7588		3150		560		42		1
			20160		60492		73808		37408		9100		1064		56		1
		120960		555264		764524		460656		140448		22428		1848		72		1
	1451520		5819904		8448120		5952700		2162160		436296		49140		3000		90		1

A338805 as a square array

1	2	4	18	48	480	1440	20160	120960	1451520
1	6	28	170	988	7896	60492	555264	5819904
1	12	100	870	7588	73808	764524	8448120
1	20	260	3150	37408	460656	5952700
1	30	560	9100	140448	2162160
1	42	1064	22428	436296
1	56	1848	49140
1	72	3000
1	90
1

A338805 as an upper right triangle

1	2	4	18	48	480	1440	20160	120960	1451520
	1	6	28	170	988	7896	60492	555264	5819904
		1	12	100	870	7588	73808	764524	8448120
			1	20	260	3150	37408	460656	5952700
				1	30	560	9100	140448	2162160
					1	42	1064	22428	436296
						1	56	1848	49140
							1	72	3000
								1	90
									1