A217227 - OEIS

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A217227 as a triangular array

										0
									0		0
								0		1		0
							0		7		7		0
						0		38		112		38		0
					0		190		1648		1648		190		0
				0		918		22914		67956		22914		918		0
			0		4367		311988		2662621		2662621		311988		4367		0
		0		20623		4202440		102825095		293153088		102825095		4202440		20623		0
	0		97052		56306491

A217227 as a square array

0	0	0	0	0	0	0	0	0	0
0	1	7	38	190	918	4367	20623	97052
0	7	112	1648	22914	311988	4202440	56306491
0	38	1648	67956	2662621	102825095
0	190	22914	2662621	293153088
0	918	311988	102825095
0	4367	4202440
0	20623
0

A217227 as an upper right triangle

0	0	0	0	0	0	0	0	0	0
	0	1	7	38	190	918	4367	20623	97052
		0	7	112	1648	22914	311988	4202440	56306491
			0	38	1648	67956	2662621	102825095
				0	190	22914	2662621	293153088
					0	918	311988	102825095
						0	4367	4202440
							0	20623
								0