A127173 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A127173 as a triangular array

												1
											-2		1
										-2		0		1
									1		-2		0		1
								-2		0		0		0		1
							4		-2		-2		0		0		1
						-2		0		0		0		0		0		1
					0		1		0		-2		0		0		0		1
				1		0		-2		0		0		0		0		0		1
			4		-2		0		0		-2		0		0		0		0		1
		-2		0		0		0		0		0		0		0		0		0		1
	-2		4		1		-2		0		-2		0		0		0		0		0		1

A127173 as a square array

1	-2	-2	1	-2	4	-2	0	1	4	-2	-2
1	0	-2	0	-2	0	1	0	-2	0	4
1	0	0	-2	0	0	-2	0	0	1
1	0	0	0	-2	0	0	0	-2
1	0	0	0	0	-2	0	0
1	0	0	0	0	0	-2
1	0	0	0	0	0
1	0	0	0	0
1	0	0	0
1	0	0
1	0
1

A127173 as an upper right triangle

1	-2	-2	1	-2	4	-2	0	1	4	-2	-2
	1	0	-2	0	-2	0	1	0	-2	0	4
		1	0	0	-2	0	0	-2	0	0	1
			1	0	0	0	-2	0	0	0	-2
				1	0	0	0	0	-2	0	0
					1	0	0	0	0	0	-2
						1	0	0	0	0	0
							1	0	0	0	0
								1	0	0	0
									1	0	0
										1	0
											1