A200165 - OEIS

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A200165 as a triangular array

										2
									4		0
								6		8		2
							8		24		34		0
						10		48		128		76		2
					12		80		348		576		276		0
				14		120		726		2256		2778		700		2
			16		168		1326		6160		15040		12440		2276		0
		18		224		2180		13888		52486		96884		57992		5992		2
	20		288		3352		27160		145482		438968		631638		262444

A200165 as a square array

2	4	6	8	10	12	14	16	18	20
0	8	24	48	80	120	168	224	288
2	34	128	348	726	1326	2180	3352
0	76	576	2256	6160	13888	27160
2	276	2778	15040	52486	145482
0	700	12440	96884	438968
2	2276	57992	631638
0	5992	262444
2

A200165 as an upper right triangle

2	4	6	8	10	12	14	16	18	20
	0	8	24	48	80	120	168	224	288
		2	34	128	348	726	1326	2180	3352
			0	76	576	2256	6160	13888	27160
				2	276	2778	15040	52486	145482
					0	700	12440	96884	438968
						2	2276	57992	631638
							0	5992	262444
								2