A204183 - OEIS

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A204183 as a triangular array

														1
													1		1
												1		-1		1
											1		0		0		1
										1		0		1		0		1
									1		0		0		0		0		1
								1		0		0		-1		0		0		1
							1		0		0		0		0		0		0		1
						1		0		0		0		1		0		0		0		1
					1		0		0		0		0		0		0		0		0		1
				1		0		0		0		0		-1		0		0		0		0		1
			1		0		0		0		0		0		0		0		0		0		0		1
		1		0		0		0		0		0		1		0		0		0		0		0		1
	1		0

A204183 as a square array

1	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	0	1	0	0	0	0	0	0	0	0
1	0	0	-1	0	0	0	0	0	0
1	0	0	0	1	0	0	0	0
1	0	0	0	0	-1	0	0
1	0	0	0	0	0	1
1	0	0	0	0	0
1	0	0	0	0
1	0	0	0
1	0	0
1	0
1

A204183 as an upper right triangle

1	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	0	1	0	0	0	0	0	0	0	0
			1	0	0	-1	0	0	0	0	0	0
				1	0	0	0	1	0	0	0	0
					1	0	0	0	0	-1	0	0
						1	0	0	0	0	0	1
							1	0	0	0	0	0
								1	0	0	0	0
									1	0	0	0
										1	0	0
											1	0
												1