A215061 - OEIS

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A215061 as a triangular array

													1
												0		1
											0		0		1
										1		0		0		1
									0		4		0		0		1
								0		0		10		0		0		1
							1		0		0		20		0		0		1
						0		7		0		0		35		0		0		1
					0		0		28		0		0		56		0		0		1
				1		0		0		84		0		0		84		0		0		1
			0		10		0		0		210		0		0		120		0		0		1
		0		0		55		0		0		462		0		0		165		0		0		1
	1		0		0

A215061 as a square array

1	0	0	1	0	0	1	0	0	1	0	0	1
1	0	0	4	0	0	7	0	0	10	0	0
1	0	0	10	0	0	28	0	0	55	0
1	0	0	20	0	0	84	0	0
1	0	0	35	0	0	210	0
1	0	0	56	0	0	462
1	0	0	84	0	0
1	0	0	120	0
1	0	0	165
1	0	0
1	0
1

A215061 as an upper right triangle

1	0	0	1	0	0	1	0	0	1	0	0	1
	1	0	0	4	0	0	7	0	0	10	0	0
		1	0	0	10	0	0	28	0	0	55	0
			1	0	0	20	0	0	84	0	0
				1	0	0	35	0	0	210	0
					1	0	0	56	0	0	462
						1	0	0	84	0	0
							1	0	0	120	0
								1	0	0	165
									1	0	0
										1	0
											1