A247943 - OEIS

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A247943 as a triangular array

								0
							2		2
						6		60		6
					12		1058		1058		12
				20		25080		140240		25080		20
			30		822594		58673472		58673472		822594		30
		42		36195620		28938943114		490225231968		28938943114		36195620		42
	56		2069486450

A247943 as a square array

0	2	6	12	20	30	42	56
2	60	1058	25080	822594	36195620	2069486450
6	1058	140240	58673472	28938943114
12	25080	58673472	490225231968
20	822594	28938943114
30	36195620
42

A247943 as an upper right triangle

0	2	6	12	20	30	42	56
	2	60	1058	25080	822594	36195620	2069486450
		6	1058	140240	58673472	28938943114
			12	25080	58673472	490225231968
				20	822594	28938943114
					30	36195620
						42