A027497 - OEIS

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A027497 as a triangular array

							1
						15		1
					4383		609		8
				332945		70127		1920		8
			3818466833		1071459023		45021783		392486		675
		117707753216845145		41103397063050887		2332341110766495		31497752932598		113377876875		94910400
	28982153439665068102728041

A027497 as a square array

1	15	4383	332945	3818466833	117707753216845145	28982153439665068102728041
1	609	70127	1071459023	41103397063050887
8	1920	45021783	2332341110766495
8	392486	31497752932598
675	113377876875
94910400

A027497 as an upper right triangle

1	15	4383	332945	3818466833	117707753216845145	28982153439665068102728041
	1	609	70127	1071459023	41103397063050887
		8	1920	45021783	2332341110766495
			8	392486	31497752932598
				675	113377876875
					94910400