A205813 - OEIS

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A205813 as a triangular array

										1
									0		1
								0		2		1
							0		6		4		1
						0		20		16		6		1
					0		70		64		30		8		1
				0		252		256		140		48		10		1
			0		924		1024		630		256		70		12		1
		0		3432		4096		2772		1280		420		96		14		1
	0		12870		16384		12012		6144		2310		640		126		16		1

A205813 as a square array

1	0	0	0	0	0	0	0	0	0
1	2	6	20	70	252	924	3432	12870
1	4	16	64	256	1024	4096	16384
1	6	30	140	630	2772	12012
1	8	48	256	1280	6144
1	10	70	420	2310
1	12	96	640
1	14	126
1	16
1

A205813 as an upper right triangle

1	0	0	0	0	0	0	0	0	0
	1	2	6	20	70	252	924	3432	12870
		1	4	16	64	256	1024	4096	16384
			1	6	30	140	630	2772	12012
				1	8	48	256	1280	6144
					1	10	70	420	2310
						1	12	96	640
							1	14	126
								1	16
									1