A176392 - OEIS

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A176392 as a triangular array

									1
								1		1
							1		7		1
						1		55		55		1
					1		561		609		561		1
				1		7151		7705		7705		7151		1
			1		109873		117017		117523		117017		109873		1
		1		1979503		2089369		2096465		2096465		2089369		1979503		1
	1		40949569		42929065		43038883		43045473		43038883

A176392 as a square array

1	1	1	1	1	1	1	1	1
1	7	55	561	7151	109873	1979503	40949569
1	55	609	7705	117017	2089369	42929065
1	561	7705	117523	2096465	43038883
1	7151	117017	2096465	43045473
1	109873	2089369	43038883
1	1979503
1

A176392 as an upper right triangle

1	1	1	1	1	1	1	1	1
	1	7	55	561	7151	109873	1979503	40949569
		1	55	609	7705	117017	2089369	42929065
			1	561	7705	117523	2096465	43038883
				1	7151	117017	2096465	43045473
					1	109873	2089369	43038883
						1	1979503
							1