A298629 - OEIS

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A298629 as a triangular array

											0
										0		0
									0		1		0
								0		3		3		0
							0		6		8		6		0
						0		17		26		26		17		0
					0		41		138		125		138		41		0
				0		104		611		1218		1218		611		104		0
			0		261		2880		8617		20959		8617		2880		261		0
		0		655		13727		71334		285085		285085		71334		13727		655		0
	0		1646		65070		577595		4228781

A298629 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	8	26	138	611	2880	13727	65070
0	6	26	125	1218	8617	71334	577595
0	17	138	1218	20959	285085	4228781
0	41	611	8617	285085
0	104	2880	71334
0	261	13727
0	655
0

A298629 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	8	26	138	611	2880	13727	65070
			0	6	26	125	1218	8617	71334	577595
				0	17	138	1218	20959	285085	4228781
					0	41	611	8617	285085
						0	104	2880	71334
							0	261	13727
								0	655
									0