A153198 - OEIS

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A153198 as a triangular array

									1
								0		1
							0		0		2
						0		0		0		5
					0		0		0		0		14
				0		0		0		0		0		43
			0		0		0		0		0		0		143
		0		0		0		0		0		0		0		509
	0		0		0		0		0		0		0		0		1922

A153198 as a square array

1	0	0	0	0	0	0	0	0
1	0	0	0	0	0	0	0
2	0	0	0	0	0	0
5	0	0	0	0	0
14	0	0	0	0
43	0	0	0
143	0	0
509	0
1922

A153198 as an upper right triangle

1	0	0	0	0	0	0	0	0
	1	0	0	0	0	0	0	0
		2	0	0	0	0	0	0
			5	0	0	0	0	0
				14	0	0	0	0
					43	0	0	0
						143	0	0
							509	0
								1922