A378318 - OEIS

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A378318 as a triangular array

											1
										1		0
									1		2		0
								1		4		6		0
							1		6		16		30		0
						1		8		30		84		170		0
					1		10		48		170		496		1050		0
				1		12		70		296		1050		3140		6846		0
			1		14		96		470		1920		6846		20832		46374		0
		1		16		126		700		3210		12936		46374		142932		323154		0
	1		18		160		994		5040		22402		89712		323154		1005856		2301618		0

A378318 as a square array

1	1	1	1	1	1	1	1	1	1	1
0	2	4	6	8	10	12	14	16	18
0	6	16	30	48	70	96	126	160
0	30	84	170	296	470	700	994
0	170	496	1050	1920	3210	5040
0	1050	3140	6846	12936	22402
0	6846	20832	46374	89712
0	46374	142932	323154
0	323154	1005856
0	2301618
0

A378318 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	0	2	4	6	8	10	12	14	16	18
		0	6	16	30	48	70	96	126	160
			0	30	84	170	296	470	700	994
				0	170	496	1050	1920	3210	5040
					0	1050	3140	6846	12936	22402
						0	6846	20832	46374	89712
							0	46374	142932	323154
								0	323154	1005856
									0	2301618
										0