A239126 - OEIS

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A239126 as a triangular array

										3
									7		7
								11		15		15
							15		23		31		31
						19		31		47		63		63
					23		39		63		95		127		127
				27		47		79		127		191		255		255
			31		55		95		159		255		383		511		511
		35		63		111		191		319		511		767		1023		1023
	39		71		127		223		383		639		1023		1535		2047		2047

A239126 as a square array

3	7	11	15	19	23	27	31	35	39
7	15	23	31	39	47	55	63	71
15	31	47	63	79	95	111	127
31	63	95	127	159	191	223
63	127	191	255	319	383
127	255	383	511	639
255	511	767	1023
511	1023	1535
1023	2047
2047

A239126 as an upper right triangle

3	7	11	15	19	23	27	31	35	39
	7	15	23	31	39	47	55	63	71
		15	31	47	63	79	95	111	127
			31	63	95	127	159	191	223
				63	127	191	255	319	383
					127	255	383	511	639
						255	511	767	1023
							511	1023	1535
								1023	2047
									2047