A298841 - OEIS

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A298841 as a triangular array

											0
										0		0
									0		1		0
								0		3		3		0
							0		6		9		6		0
						0		17		21		21		17		0
					0		41		127		110		127		41		0
				0		104		513		1045		1045		513		104		0
			0		261		2440		7322		18075		7322		2440		261		0
		0		655		11458		60497		242872		242872		60497		11458		655		0
	0		1646		53727		482261		3570731

A298841 as a square array

0	0	0	0	0	0	0	0	0	0	0
0	1	3	6	17	41	104	261	655	1646
0	3	9	21	127	513	2440	11458	53727
0	6	21	110	1045	7322	60497	482261
0	17	127	1045	18075	242872	3570731
0	41	513	7322	242872
0	104	2440	60497
0	261	11458
0	655
0

A298841 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0
	0	1	3	6	17	41	104	261	655	1646
		0	3	9	21	127	513	2440	11458	53727
			0	6	21	110	1045	7322	60497	482261
				0	17	127	1045	18075	242872	3570731
					0	41	513	7322	242872
						0	104	2440	60497
							0	261	11458
								0	655
									0