A343138 - OEIS

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A343138 as a triangular array

											0
										1		0
									1		1		0
								1		2		1		0
							1		3		2		1		0
						1		4		6		2		1		0
					1		5		15		6		2		1		0
				1		6		40		22		6		2		1		0
			1		7		104		71		22		6		2		1		0
		1		8		273		240		86		22		6		2		1		0
	1		9		714		816		311		86		22		6		2		1		0
1		10		1870		2752		1152		342		86		22		6		2		1		0

A343138 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	2	3	4	5	6	7	8	9	10
1	2	6	15	40	104	273	714	1870
1	2	6	22	71	240	816	2752
1	2	6	22	86	311	1152
1	2	6	22	86	342
1	2	6	22	86
1	2	6	22
1	2	6
1	2
1

A343138 as an upper right triangle

0	1	1	1	1	1	1	1	1	1	1	1
	0	1	2	3	4	5	6	7	8	9	10
		0	1	2	6	15	40	104	273	714	1870
			0	1	2	6	22	71	240	816	2752
				0	1	2	6	22	86	311	1152
					0	1	2	6	22	86	342
						0	1	2	6	22	86
							0	1	2	6	22
								0	1	2	6
									0	1	2
										0	1
											0