A339650 - OEIS

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A339650 as a triangular array

										1
									0		1
								0		1		1
							0		1		2		1
						0		1		4		6		3
					0		1		10		30		36		15
				0		2		27		140		310		300		105
			0		2		74		663		2376		3990		3150		945
		0		4		226		3186		17304		44850		59805		39690		10395
	0		6		710		15642		123508		462735		925890		1018710		582120		135135

A339650 as a square array

1	0	0	0	0	0	0	0	0	0
1	1	1	1	1	2	2	4	6
1	2	4	10	27	74	226	710
1	6	30	140	663	3186	15642
3	36	310	2376	17304	123508
15	300	3990	44850	462735
105	3150	59805	925890
945	39690	1018710
10395	582120
135135

A339650 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	1	1	1	1	1	2	2	4	6
		1	2	4	10	27	74	226	710
			1	6	30	140	663	3186	15642
				3	36	310	2376	17304	123508
					15	300	3990	44850	462735
						105	3150	59805	925890
							945	39690	1018710
								10395	582120
									135135