A284966 - OEIS

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A284966 as a triangular array

													2
												1		0
											2		1		0
										0		3		1		0
									0		2		4		1		0
								0		0		5		5		1		0
							0		0		2		9		6		1		0
						0		0		0		7		14		7		1		0
					0		0		0		2		16		20		8		1		0
				0		0		0		0		9		30		27		9		1		0
			0		0		0		0		2		25		50		35		10		1		0
		0		0		0		0		0		11		55		77		44		11		1		0
	0		0		0		0		0		2		36		105		112		54		12		1

A284966 as a square array

2	1	2	0	0	0	0	0	0	0	0	0	0
0	1	3	2	0	0	0	0	0	0	0	0
0	1	4	5	2	0	0	0	0	0	0
0	1	5	9	7	2	0	0	0	0
0	1	6	14	16	9	2	0	0
0	1	7	20	30	25	11	2
0	1	8	27	50	55	36
0	1	9	35	77	105
0	1	10	44	112
0	1	11	54
0	1	12
0	1

A284966 as an upper right triangle

2	1	2	0	0	0	0	0	0	0	0	0	0
	0	1	3	2	0	0	0	0	0	0	0	0
		0	1	4	5	2	0	0	0	0	0	0
			0	1	5	9	7	2	0	0	0	0
				0	1	6	14	16	9	2	0	0
					0	1	7	20	30	25	11	2
						0	1	8	27	50	55	36
							0	1	9	35	77	105
								0	1	10	44	112
									0	1	11	54
										0	1	12
											0	1