A230513 - OEIS

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A230513 as a triangular array

										0
									0		0
								0		0		0
							0		0		0		0
						0		2		16		2		0
					0		8		170		170		8		0
				0		32		1716		4648		1716		32		0
			0		118		18588		129874		129874		18588		118		0
		0		440		215314		4038314		10308020		4038314		215314		440		0
	0		1664		2510424		129829460		918775180		918775180

A230513 as a square array

0	0	0	0	0	0	0	0	0	0
0	0	0	2	8	32	118	440	1664
0	0	16	170	1716	18588	215314	2510424
0	2	170	4648	129874	4038314	129829460
0	8	1716	129874	10308020	918775180
0	32	18588	4038314	918775180
0	118	215314
0	440
0

A230513 as an upper right triangle

0	0	0	0	0	0	0	0	0	0
	0	0	0	2	8	32	118	440	1664
		0	0	16	170	1716	18588	215314	2510424
			0	2	170	4648	129874	4038314	129829460
				0	8	1716	129874	10308020	918775180
					0	32	18588	4038314	918775180
						0	118	215314
							0	440
								0