A365566 - OEIS

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A365566 as a triangular array

					1
				1		1
			1		4		2
		1		15		12		3
	1		54		105		39		6
1		221		863		566		117		11

A365566 as a square array

1	1	1	1	1	1
1	4	15	54	221
2	12	105	863
3	39	566
6	117
11

A365566 as an upper right triangle

1	1	1	1	1	1
	1	4	15	54	221
		2	12	105	863
			3	39	566
				6	117
					11