A230926 - OEIS

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A230926 as a triangular array

									0
								0		0
							0		12		0
						0		54		54		0
					0		432		408		432		0
				0		3108		8748		8748		3108		0
			0		22428		154632		559872		154632		22428		0
		0		162504		2772906		28978992		28978992		2772906		162504		0
	0		1175592		49910578		1509045552		4265306528		1509045552		49910578

A230926 as a square array

0	0	0	0	0	0	0	0	0
0	12	54	432	3108	22428	162504	1175592
0	54	408	8748	154632	2772906	49910578
0	432	8748	559872	28978992	1509045552
0	3108	154632	28978992	4265306528
0	22428	2772906	1509045552
0	162504	49910578
0

A230926 as an upper right triangle

0	0	0	0	0	0	0	0	0
	0	12	54	432	3108	22428	162504	1175592
		0	54	408	8748	154632	2772906	49910578
			0	432	8748	559872	28978992	1509045552
				0	3108	154632	28978992	4265306528
					0	22428	2772906	1509045552
						0	162504	49910578
							0