A131817 - OEIS

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A131817 as a triangular array

												1
											2		2
										4		2		3
									8		4		2		4
								16		8		4		2		5
							32		16		8		4		2		6
						64		32		16		8		4		2		7
					128		64		32		16		8		4		2		8
				256		128		64		32		16		8		4		2		9
			512		256		128		64		32		16		8		4		2		10
		1024		512		256		128		64		32		16		8		4		2		11
	2048		1024		512		256		128		64		32		16		8		4		2		12

A131817 as a square array

1	2	4	8	16	32	64	128	256	512	1024	2048
2	2	4	8	16	32	64	128	256	512	1024
3	2	4	8	16	32	64	128	256	512
4	2	4	8	16	32	64	128	256
5	2	4	8	16	32	64	128
6	2	4	8	16	32	64
7	2	4	8	16	32
8	2	4	8	16
9	2	4	8
10	2	4
11	2
12

A131817 as an upper right triangle

1	2	4	8	16	32	64	128	256	512	1024	2048
	2	2	4	8	16	32	64	128	256	512	1024
		3	2	4	8	16	32	64	128	256	512
			4	2	4	8	16	32	64	128	256
				5	2	4	8	16	32	64	128
					6	2	4	8	16	32	64
						7	2	4	8	16	32
							8	2	4	8	16
								9	2	4	8
									10	2	4
										11	2
											12