A257612 - OEIS

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A257612 as a triangular array

									1
								2		2
							4		24		4
						8		184		184		8
					16		1216		3680		1216		16
				32		7584		53824		53824		7584		32
			64		46208		674752		1507072		674752		46208		64
		128		278912		7764096		33244544		33244544		7764096		278912		128
	256		1677312		84892672		636233728		1196803584		636233728		84892672		1677312		256

A257612 as a square array

1	2	4	8	16	32	64	128	256
2	24	184	1216	7584	46208	278912	1677312
4	184	3680	53824	674752	7764096	84892672
8	1216	53824	1507072	33244544	636233728
16	7584	674752	33244544	1196803584
32	46208	7764096	636233728
64	278912	84892672
128	1677312
256

A257612 as an upper right triangle

1	2	4	8	16	32	64	128	256
	2	24	184	1216	7584	46208	278912	1677312
		4	184	3680	53824	674752	7764096	84892672
			8	1216	53824	1507072	33244544	636233728
				16	7584	674752	33244544	1196803584
					32	46208	7764096	636233728
						64	278912	84892672
							128	1677312
								256