A275331 - OEIS

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A275331 as a triangular array

									1
								2		2
							4		2		6
						8		6		6		16
					17		10		12		16		45
				37		24		30		32		45		120
			85		50		60		64		90		120		336
		200		120		132		160		180		240		336		920
	486		280		318		336		405		480		672		920		2574
1205		692		750		800		945		1080		1344		1840		2574		7190

A275331 as a square array

1	2	4	8	17	37	85	200	486	1205
2	2	6	10	24	50	120	280	692
6	6	12	30	60	132	318	750
16	16	32	64	160	336	800
45	45	90	180	405	945
120	120	240	480	1080
336	336	672	1344
920	920	1840
2574	2574
7190

A275331 as an upper right triangle

1	2	4	8	17	37	85	200	486	1205
	2	2	6	10	24	50	120	280	692
		6	6	12	30	60	132	318	750
			16	16	32	64	160	336	800
				45	45	90	180	405	945
					120	120	240	480	1080
						336	336	672	1344
							920	920	1840
								2574	2574
									7190