A187954 - OEIS

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A187954 as a triangular array

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

A187954 as a square array

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

A187954 as an upper right triangle

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

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

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

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

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

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

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

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

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

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