A066884 - OEIS

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A066884 as a triangular array

										1
									3		2
								7		5		4
							15		11		6		8
						31		23		13		9		16
					63		47		27		14		10		32
				127		95		55		29		19		12		64
			255		191		111		59		30		21		17		128
		511		383		223		119		61		39		22		18		256
	1023		767		447		239		123		62		43		25		20		512
2047		1535		895		479		247		125		79		45		26		24		1024

A066884 as a square array

1	3	7	15	31	63	127	255	511	1023	2047
2	5	11	23	47	95	191	383	767	1535
4	6	13	27	55	111	223	447	895
8	9	14	29	59	119	239	479
16	10	19	30	61	123	247
32	12	21	39	62	125
64	17	22	43	79
128	18	25	45
256	20	26
512	24
1024

A066884 as an upper right triangle

1	3	7	15	31	63	127	255	511	1023	2047
	2	5	11	23	47	95	191	383	767	1535
		4	6	13	27	55	111	223	447	895
			8	9	14	29	59	119	239	479
				16	10	19	30	61	123	247
					32	12	21	39	62	125
						64	17	22	43	79
							128	18	25	45
								256	20	26
									512	24
										1024