A298117 - OEIS

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A298117 as a triangular array

								2
							4		4
						8		40		8
					16		320		320		16
				32		2368		8616		2368		32
			64		16832		207496		207496		16832		64
		128		116608		4788808		15639936		4788808		116608		128
	256		793088		108326760		1116199200		1116199200		108326760		793088		256

A298117 as a square array

2	4	8	16	32	64	128	256
4	40	320	2368	16832	116608	793088
8	320	8616	207496	4788808	108326760
16	2368	207496	15639936	1116199200
32	16832	4788808	1116199200
64	116608	108326760
128	793088
256

A298117 as an upper right triangle

2	4	8	16	32	64	128	256
	4	40	320	2368	16832	116608	793088
		8	320	8616	207496	4788808	108326760
			16	2368	207496	15639936	1116199200
				32	16832	4788808	1116199200
					64	116608	108326760
						128	793088
							256