A226441 - OEIS

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A226441 as a triangular array

											1
										1		2
									1		2		4
								1		2		6		10
							1		2		6		22		32
						1		2		6		24		90		122
					1		2		6		24		118		422		544
				1		2		6		24		120		658		2226		2770
			1		2		6		24		120		718		4078		13102		15872
		1		2		6		24		120		720		4914		27724		85170		101042
	1		2		6		24		120		720		5038		37300		205134		606542		707584

A226441 as a square array

1	1	1	1	1	1	1	1	1	1	1
2	2	2	2	2	2	2	2	2	2
4	6	6	6	6	6	6	6	6
10	22	24	24	24	24	24	24
32	90	118	120	120	120	120
122	422	658	718	720	720
544	2226	4078	4914	5038
2770	13102	27724	37300
15872	85170	205134
101042	606542
707584

A226441 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	2	2	2	2	2	2	2	2	2	2
		4	6	6	6	6	6	6	6	6
			10	22	24	24	24	24	24	24
				32	90	118	120	120	120	120
					122	422	658	718	720	720
						544	2226	4078	4914	5038
							2770	13102	27724	37300
								15872	85170	205134
									101042	606542
										707584