A274858 - OEIS

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A274858 as a triangular array

											1
										1		1
									2		3		2
								4		9		9		4
							8		27		19		27		8
						16		81		43		43		81		16
					32		243		100		118		100		243		32
				64		729		233		330		330		233		729		64
			128		2187		542		923		1085		923		542		2187		128
		256		6561		1260		2585		3602		3602		2585		1260		6561		256
	512		19683		2929		7253

A274858 as a square array

1	1	2	4	8	16	32	64	128	256	512
1	3	9	27	81	243	729	2187	6561	19683
2	9	19	43	100	233	542	1260	2929
4	27	43	118	330	923	2585	7253
8	81	100	330	1085	3602
16	243	233	923	3602
32	729	542	2585
64	2187	1260
128	6561
256

A274858 as an upper right triangle

1	1	2	4	8	16	32	64	128	256	512
	1	3	9	27	81	243	729	2187	6561	19683
		2	9	19	43	100	233	542	1260	2929
			4	27	43	118	330	923	2585	7253
				8	81	100	330	1085	3602
					16	243	233	923	3602
						32	729	542	2585
							64	2187	1260
								128	6561
									256