A141666 - OEIS

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A141666 as a triangular array

											1
										4		4
									4		16		4
								0		16		16		0
							4		0		16		0		4
						8		16		0		0		16		8
					0		32		16		0		16		32		0
				0		0		32		0		0		32		0		0
			4		0		0		0		16		0		0		0		4
		4		16		0		0		32		32		0		0		16		4
	8		16		16		0		0		64		0		0		16		16		8

A141666 as a square array

1	4	4	0	4	8	0	0	4	4	8
4	16	16	0	16	32	0	0	16	16
4	16	16	0	16	32	0	0	16
0	0	0	0	0	0	0	0
4	16	16	0	16	32	0
8	32	32	0	32	64
0	0	0	0	0
0	0	0	0
4	16	16
4	16
8

A141666 as an upper right triangle

1	4	4	0	4	8	0	0	4	4	8
	4	16	16	0	16	32	0	0	16	16
		4	16	16	0	16	32	0	0	16
			0	0	0	0	0	0	0	0
				4	16	16	0	16	32	0
					8	32	32	0	32	64
						0	0	0	0	0
							0	0	0	0
								4	16	16
									4	16
										8