A255557 - OEIS

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A255557 as a triangular array

											1
										2		3
									5		4		7
								6		10		8		15
							9		11		19		16		31
						12		18		22		38		32		63
					13		23		35		42		74		64		127
				14		25		46		70		82		146		128		255
			17		26		49		89		138		162		290		256		511
		20		34		50		97		176		274		322		578		512		1023
	21		39		67		98		193		350		546		642		1154		1024		2047
24		41		78		134		194		385		695		1090		1282		2306		2048		4095

A255557 as a square array

1	2	5	6	9	12	13	14	17	20	21	24
3	4	10	11	18	23	25	26	34	39	41
7	8	19	22	35	46	49	50	67	78
15	16	38	42	70	89	97	98	134
31	32	74	82	138	176	193	194
63	64	146	162	274	350	385
127	128	290	322	546	695
255	256	578	642	1090
511	512	1154	1282
1023	1024	2306
2047	2048
4095

A255557 as an upper right triangle

1	2	5	6	9	12	13	14	17	20	21	24
	3	4	10	11	18	23	25	26	34	39	41
		7	8	19	22	35	46	49	50	67	78
			15	16	38	42	70	89	97	98	134
				31	32	74	82	138	176	193	194
					63	64	146	162	274	350	385
						127	128	290	322	546	695
							255	256	578	642	1090
								511	512	1154	1282
									1023	1024	2306
										2047	2048
											4095