A380385 - OEIS

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A380385 as a triangular array

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

A380385 as a square array

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

A380385 as an upper right triangle

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