A128409 - OEIS

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

A128409 as a triangular array

													1
												0		-1
											-1		-1		-1
										-1		-1		-1		0
									-2		-1		-1		0		-1
								-1		0		0		0		-1		1
							-2		0		0		0		-1		1		-1
						-2		0		0		0		-1		1		-1		0
					-2		0		0		0		-1		1		-1		0		0
				-1		1		0		0		0		1		-1		0		0		1
			-2		1		0		0		0		1		-1		0		0		1		-1
		-2		1		0		0		0		1		-1		0		0		1		-1		0
	-3		1		0		0		0		1		-1		0		0		1		-1		0		-1

A128409 as a square array

1	0	-1	-1	-2	-1	-2	-2	-2	-1	-2	-2	-3
-1	-1	-1	-1	0	0	0	0	1	1	1	1
-1	-1	-1	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0	0	0
-1	-1	-1	-1	-1	0	0	0	0
1	1	1	1	1	1	1	1
-1	-1	-1	-1	-1	-1	-1
0	0	0	0	0	0
0	0	0	0	0
1	1	1	1
-1	-1	-1
0	0
-1

A128409 as an upper right triangle

1	0	-1	-1	-2	-1	-2	-2	-2	-1	-2	-2	-3
	-1	-1	-1	-1	0	0	0	0	1	1	1	1
		-1	-1	-1	0	0	0	0	0	0	0	0
			0	0	0	0	0	0	0	0	0	0
				-1	-1	-1	-1	-1	0	0	0	0
					1	1	1	1	1	1	1	1
						-1	-1	-1	-1	-1	-1	-1
							0	0	0	0	0	0
								0	0	0	0	0
									1	1	1	1
										-1	-1	-1
											0	0
												-1