A351839 - OEIS

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A351839 as a triangular array

										2
									6		2
								14		6		6
							30		14		24		12
						62		30		60		60		30
					126		62		126		180		180		54
				254		126		252		420		630		378		126
			510		254		504		852		1680		1512		1008		240
		1022		510		1014		1620		3780		4536		4536		2160		504
	2046		1022		2040		3060		7590		11340		15120		10800		5040		990

A351839 as a square array

2	6	14	30	62	126	254	510	1022	2046
2	6	14	30	62	126	254	510	1022
6	24	60	126	252	504	1014	2040
12	60	180	420	852	1620	3060
30	180	630	1680	3780	7590
54	378	1512	4536	11340
126	1008	4536	15120
240	2160	10800
504	5040
990

A351839 as an upper right triangle

2	6	14	30	62	126	254	510	1022	2046
	2	6	14	30	62	126	254	510	1022
		6	24	60	126	252	504	1014	2040
			12	60	180	420	852	1620	3060
				30	180	630	1680	3780	7590
					54	378	1512	4536	11340
						126	1008	4536	15120
							240	2160	10800
								504	5040
									990