A394444 - OEIS

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A394444 as a triangular array

											1
										0		1
									0		2		1
								0		2		4		1
							0		2		12		6		1
						0		2		28		30		8		1
					0		2		60		126		56		10		1
				0		2		124		462		344		90		12		1
			0		2		252		1566		1880		730		132		14		1
		0		2		508		5070		9368		5370		1332		182		16		1
	0		2		1020		15966		43736		36250		12372		2198		240		18		1

A394444 as a square array

1	0	0	0	0	0	0	0	0	0	0
1	2	2	2	2	2	2	2	2	2
1	4	12	28	60	124	252	508	1020
1	6	30	126	462	1566	5070	15966
1	8	56	344	1880	9368	43736
1	10	90	730	5370	36250
1	12	132	1332	12372
1	14	182	2198
1	16	240
1	18
1

A394444 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0
	1	2	2	2	2	2	2	2	2	2
		1	4	12	28	60	124	252	508	1020
			1	6	30	126	462	1566	5070	15966
				1	8	56	344	1880	9368	43736
					1	10	90	730	5370	36250
						1	12	132	1332	12372
							1	14	182	2198
								1	16	240
									1	18
										1