A343873 - OEIS

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A343873 as a triangular array

												1
											0		1
										0		0		1
									0		0		1		2
								0		0		0		2		3
							0		0		0		1		5		6
						0		0		0		1		5		13		11
					0		0		0		0		4		19		33		23
				0		0		0		0		2		22		67		89		47
			0		0		0		0		1		19		107		236		240		106
		0		0		0		0		0		13		130		486		797		657		235
	0		0		0		0		0		5		130		804		2075		2678		1806		551

A343873 as a square array

1	0	0	0	0	0	0	0	0	0	0	0
1	0	0	0	0	0	0	0	0	0	0
1	1	0	0	0	0	0	0	0	0
2	2	1	1	0	0	0	0	0
3	5	5	4	2	1	0	0
6	13	19	22	19	13	5
11	33	67	107	130	130
23	89	236	486	804
47	240	797	2075
106	657	2678
235	1806
551

A343873 as an upper right triangle

1	0	0	0	0	0	0	0	0	0	0	0
	1	0	0	0	0	0	0	0	0	0	0
		1	1	0	0	0	0	0	0	0	0
			2	2	1	1	0	0	0	0	0
				3	5	5	4	2	1	0	0
					6	13	19	22	19	13	5
						11	33	67	107	130	130
							23	89	236	486	804
								47	240	797	2075
									106	657	2678
										235	1806
											551