A033184 - OEIS

More Web Proxy on the site http://driver.im/

The OEIS is supported by the many generous donors to the OEIS Foundation.

A033184 as a triangular array

										1
									1		1
								2		2		1
							5		5		3		1
						14		14		9		4		1
					42		42		28		14		5		1
				132		132		90		48		20		6		1
			429		429		297		165		75		27		7		1
		1430		1430		1001		572		275		110		35		8		1
	4862		4862		3432		2002		1001		429		154		44		9		1

A033184 as a square array

1	1	2	5	14	42	132	429	1430	4862
1	2	5	14	42	132	429	1430	4862
1	3	9	28	90	297	1001	3432
1	4	14	48	165	572	2002
1	5	20	75	275	1001
1	6	27	110	429
1	7	35	154
1	8	44
1	9
1

A033184 as an upper right triangle

1	1	2	5	14	42	132	429	1430	4862
	1	2	5	14	42	132	429	1430	4862
		1	3	9	28	90	297	1001	3432
			1	4	14	48	165	572	2002
				1	5	20	75	275	1001
					1	6	27	110	429
						1	7	35	154
							1	8	44
								1	9
									1