A384681 - OEIS

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A384681 as a triangular array

											1
										1		0
									1		1		0
								1		2		3		0
							1		3		7		15		0
						1		4		12		36		100		0
					1		5		18		64		239		805		0
				1		6		25		100		426		1900		7442		0
			1		7		33		145		671		3357		17319		76750		0
		1		8		42		200		985		5260		30228		176214		866818		0
	1		9		52		266		1380		7706		46880		303687		1965938		10586499		0

A384681 as a square array

1	1	1	1	1	1	1	1	1	1	1
0	1	2	3	4	5	6	7	8	9
0	3	7	12	18	25	33	42	52
0	15	36	64	100	145	200	266
0	100	239	426	671	985	1380
0	805	1900	3357	5260	7706
0	7442	17319	30228	46880
0	76750	176214	303687
0	866818	1965938
0	10586499
0

A384681 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1
	0	1	2	3	4	5	6	7	8	9
		0	3	7	12	18	25	33	42	52
			0	15	36	64	100	145	200	266
				0	100	239	426	671	985	1380
					0	805	1900	3357	5260	7706
						0	7442	17319	30228	46880
							0	76750	176214	303687
								0	866818	1965938
									0	10586499
										0