A300498 - OEIS

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A300498 as a triangular array

									1
								2		2
							4		7		4
						8		18		18		8
					16		50		52		50		16
				32		138		143		143		138		32
			64		383		412		499		412		383		64
		128		1063		1225		1513		1513		1225		1063		128
	256		2951		3699		4686		5837		4686		3699		2951		256
512		8193		11243		14822		19412		19412		14822		11243

A300498 as a square array

1	2	4	8	16	32	64	128	256	512
2	7	18	50	138	383	1063	2951	8193
4	18	52	143	412	1225	3699	11243
8	50	143	499	1513	4686	14822
16	138	412	1513	5837	19412
32	383	1225	4686	19412
64	1063	3699	14822
128	2951	11243
256

A300498 as an upper right triangle

1	2	4	8	16	32	64	128	256	512
	2	7	18	50	138	383	1063	2951	8193
		4	18	52	143	412	1225	3699	11243
			8	50	143	499	1513	4686	14822
				16	138	412	1513	5837	19412
					32	383	1225	4686	19412
						64	1063	3699	14822
							128	2951	11243
								256