A228336 - OEIS

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A228336 as a triangular array

											1
										1		1
									2		2		1
								4		6		3		1
							10		15		12		4		1
						25		45		36		20		5		1
					70		126		126		70		30		6		1
				196		392		392		280		120		42		7		1
			588		1176		1344		960		540		189		56		8		1
		1764		3780		4320		3600		2025		945		280		72		9		1
	5544		11880		14850		12375		8250		3850		1540		396		90		10		1

A228336 as a square array

1	1	2	4	10	25	70	196	588	1764	5544
1	2	6	15	45	126	392	1176	3780	11880
1	3	12	36	126	392	1344	4320	14850
1	4	20	70	280	960	3600	12375
1	5	30	120	540	2025	8250
1	6	42	189	945	3850
1	7	56	280	1540
1	8	72	396
1	9	90
1	10
1

A228336 as an upper right triangle

1	1	2	4	10	25	70	196	588	1764	5544
	1	2	6	15	45	126	392	1176	3780	11880
		1	3	12	36	126	392	1344	4320	14850
			1	4	20	70	280	960	3600	12375
				1	5	30	120	540	2025	8250
					1	6	42	189	945	3850
						1	7	56	280	1540
							1	8	72	396
								1	9	90
									1	10
										1