A273171 - OEIS

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A273171 as a triangular array

											1
										3		1
									5		5		1
								35		7		7		1
							63		7		9		9		1
						231		55		33		55		11		1
					429		429		143		143		13		13		1
				6435		5005		3003		195		455		105		15		1
			12155		2431		1547		221		595		85		17		17		1
		46189		12597		12597		969		323		969		969		57		19		1
	88179		146965		20349		14535		2261		20349		5985		133		105		21		1

A273171 as a square array

1	3	5	35	63	231	429	6435	12155	46189	88179
1	5	7	7	55	429	5005	2431	12597	146965
1	7	9	33	143	3003	1547	12597	20349
1	9	55	143	195	221	969	14535
1	11	13	455	595	323	2261
1	13	105	85	969	20349
1	15	17	969	5985
1	17	57	133
1	19	105
1	21
1

A273171 as an upper right triangle

1	3	5	35	63	231	429	6435	12155	46189	88179
	1	5	7	7	55	429	5005	2431	12597	146965
		1	7	9	33	143	3003	1547	12597	20349
			1	9	55	143	195	221	969	14535
				1	11	13	455	595	323	2261
					1	13	105	85	969	20349
						1	15	17	969	5985
							1	17	57	133
								1	19	105
									1	21
										1