A137688 - OEIS

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A137688 as a triangular array

											1
										2		2
									4		4		4
								8		8		8		8
							16		16		16		16		16
						32		32		32		32		32		32
					64		64		64		64		64		64		64
				128		128		128		128		128		128		128		128
			256		256		256		256		256		256		256		256		256
		512		512		512		512		512		512		512		512		512		512
	1024		1024		1024		1024		1024		1024

A137688 as a square array

1	2	4	8	16	32	64	128	256	512	1024
2	4	8	16	32	64	128	256	512	1024
4	8	16	32	64	128	256	512	1024
8	16	32	64	128	256	512	1024
16	32	64	128	256	512	1024
32	64	128	256	512	1024
64	128	256	512
128	256	512
256	512
512

A137688 as an upper right triangle

1	2	4	8	16	32	64	128	256	512	1024
	2	4	8	16	32	64	128	256	512	1024
		4	8	16	32	64	128	256	512	1024
			8	16	32	64	128	256	512	1024
				16	32	64	128	256	512	1024
					32	64	128	256	512	1024
						64	128	256	512
							128	256	512
								256	512
									512