A191664 - OEIS

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A191664 as a triangular array

											1
										3		2
									7		4		5
								15		8		11		6
							31		16		23		12		9
						63		32		47		24		19		10
					127		64		95		48		39		20		13
				255		128		191		96		79		40		27		14
			511		256		383		192		159		80		55		28		17
		1023		512		767		384		319		160		111		56		35		18
	2047		1024		1535		768		639

A191664 as a square array

1	3	7	15	31	63	127	255	511	1023	2047
2	4	8	16	32	64	128	256	512	1024
5	11	23	47	95	191	383	767	1535
6	12	24	48	96	192	384	768
9	19	39	79	159	319	639
10	20	40	80	160
13	27	55	111
14	28	56
17	35
18

A191664 as an upper right triangle

1	3	7	15	31	63	127	255	511	1023	2047
	2	4	8	16	32	64	128	256	512	1024
		5	11	23	47	95	191	383	767	1535
			6	12	24	48	96	192	384	768
				9	19	39	79	159	319	639
					10	20	40	80	160
						13	27	55	111
							14	28	56
								17	35
									18