A230652 - OEIS

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A230652 as a triangular array

										0
									0		0
								0		3		0
							0		3		3		0
						0		9		3		9		0
					0		15		21		21		15		0
				0		33		27		123		27		33		0
			0		63		177		531		531		177		63		0
		0		129		231		2547		1635		2547		231		129		0
	0		255		1509		11745		28161		28161		11745		1509		255		0
0		513		1971		54957		90393		337977		90393

A230652 as a square array

0	0	0	0	0	0	0	0	0	0
3	3	9	15	33	63	129	255	513
3	3	21	27	177	231	1509	1971
9	21	123	531	2547	11745	54957
15	27	531	1635	28161	90393
33	177	2547	28161	337977
63	231	11745	90393
129	1509
255

A230652 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0
	0	3	3	9	15	33	63	129	255	513
		0	3	3	21	27	177	231	1509	1971
			0	9	21	123	531	2547	11745	54957
				0	15	27	531	1635	28161	90393
					0	33	177	2547	28161	337977
						0	63	231	11745	90393
							0	129	1509
								0	255
									0