A127749 - OEIS

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A127749 as a triangular array

												1
											0		3
										0		-3		5
									0		3		-5		7
								0		0		0		-7		9
							0		-3		5		0		-9		11
						0		0		0		0		0		-11		13
					0		3		-5		7		0		0		-13		15
				0		0		0		0		0		0		0		-15		17
			0		0		0		-7		9		0		0		0		-17		19
		0		0		0		0		0		0		0		0		0		-19		21
	0		-3		5

A127749 as a square array

1	0	0	0	0	0	0	0	0	0	0	0
3	-3	3	0	-3	0	3	0	0	0	-3
5	-5	0	5	0	-5	0	0	0	5
7	-7	0	0	7	0	-7	0
9	-9	0	0	0	9	0
11	-11	0	0	0	0
13	-13	0	0	0
15	-15	0	0
17	-17	0
19	-19
21

A127749 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0	0
	3	-3	3	0	-3	0	3	0	0	0	-3
		5	-5	0	5	0	-5	0	0	0	5
			7	-7	0	0	7	0	-7	0
				9	-9	0	0	0	9	0
					11	-11	0	0	0	0
						13	-13	0	0	0
							15	-15	0	0
								17	-17	0
									19	-19
										21