A257619 - OEIS

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A257619 as a triangular array

								1
							2		2
						4		44		4
					8		564		564		8
				16		6436		22560		6436		16
			32		71404		637844		637844		71404		32
		64		786948		15470232		36994952		15470232		786948		64
	128		8660012		346391196		1660722424		1660722424		346391196		8660012		128

A257619 as a square array

1	2	4	8	16	32	64	128
2	44	564	6436	71404	786948	8660012
4	564	22560	637844	15470232	346391196
8	6436	637844	36994952	1660722424
16	71404	15470232	1660722424
32	786948	346391196
64	8660012
128

A257619 as an upper right triangle

1	2	4	8	16	32	64	128
	2	44	564	6436	71404	786948	8660012
		4	564	22560	637844	15470232	346391196
			8	6436	637844	36994952	1660722424
				16	71404	15470232	1660722424
					32	786948	346391196
						64	8660012
							128