A351583 - OEIS

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A351583 as a triangular array

									2
								7		7
							15		52		15
						26		192		192		26
					40		510		1086		510		40
				57		1115		4098		4098		1115		57
			77		2142		12075		20840		12075		2142		77
		100		3752		30072		79600		79600		30072		3752		100
	126		6132		66276		249408		382510		249408		66276		6132		126

A351583 as a square array

2	7	15	26	40	57	77	100	126
7	52	192	510	1115	2142	3752	6132
15	192	1086	4098	12075	30072	66276
26	510	4098	20840	79600	249408
40	1115	12075	79600	382510
57	2142	30072	249408
77	3752	66276
100	6132
126

A351583 as an upper right triangle

2	7	15	26	40	57	77	100	126
	7	52	192	510	1115	2142	3752	6132
		15	192	1086	4098	12075	30072	66276
			26	510	4098	20840	79600	249408
				40	1115	12075	79600	382510
					57	2142	30072	249408
						77	3752	66276
							100	6132
								126