A263341 - OEIS

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A263341 as a triangular array

											1
										1		1
									1		2		1
								1		6		3		1
							1		13		15		4		1
						1		37		82		30		5		1
					1		106		578		301		51		6		1
				1		409		6021		4985		842		80		7		1
			1		1896		101267		142276		27107		1995		117		8		1
		1		12171		2882460		7269487		1724440		112225		4210		164		9		1
	1		105070		138787233		655015612		210799447		13893557		388547		8165		221		10		1

A263341 as a square array

1	1	1	1	1	1	1	1	1	1	1
1	2	6	13	37	106	409	1896	12171	105070
1	3	15	82	578	6021	101267	2882460	138787233
1	4	30	301	4985	142276	7269487	655015612
1	5	51	842	27107	1724440	210799447
1	6	80	1995	112225	13893557
1	7	117	4210	388547
1	8	164	8165
1	9	221
1	10
1

A263341 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	1	2	6	13	37	106	409	1896	12171	105070
		1	3	15	82	578	6021	101267	2882460	138787233
			1	4	30	301	4985	142276	7269487	655015612
				1	5	51	842	27107	1724440	210799447
					1	6	80	1995	112225	13893557
						1	7	117	4210	388547
							1	8	164	8165
								1	9	221
									1	10
										1