A240427 - OEIS

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A240427 as a triangular array

									3
								7		7
							16		35		16
						38		151		151		38
					90		684		1312		684		90
				212		3140		11573		11573		3140		212
			500		14357		103021		203213		103021		14357		500
		1180		65592		917629		3577618		3577618		917629		65592		1180
	2784		299916		8183512		63110993

A240427 as a square array

3	7	16	38	90	212	500	1180	2784
7	35	151	684	3140	14357	65592	299916
16	151	1312	11573	103021	917629	8183512
38	684	11573	203213	3577618	63110993
90	3140	103021	3577618
212	14357	917629
500	65592
1180

A240427 as an upper right triangle

3	7	16	38	90	212	500	1180	2784
	7	35	151	684	3140	14357	65592	299916
		16	151	1312	11573	103021	917629	8183512
			38	684	11573	203213	3577618	63110993
				90	3140	103021	3577618
					212	14357	917629
						500	65592
							1180