A130521 - OEIS

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A130521 as a triangular array

											1
										1		1
									1		1		2
								2		2		3		4
							4		4		6		8		11
						11		11		15		19		25		33
					33		33		44		55		70		89		114
				114		114		147		180		224		279		349		438
			438		438		552		666		813		993		1217		1496		1845
		1845		1845		2283		2721		3273		3939		4752		5745		6962		8458
	8458		8458		10303

A130521 as a square array

1	1	1	2	4	11	33	114	438	1845	8458
1	1	2	4	11	33	114	438	1845	8458
2	3	6	15	44	147	552	2283	10303
4	8	19	55	180	666	2721
11	25	70	224	813	3273
33	89	279	993	3939
114	349	1217	4752
438	1496	5745
1845	6962
8458

A130521 as an upper right triangle

1	1	1	2	4	11	33	114	438	1845	8458
	1	1	2	4	11	33	114	438	1845	8458
		2	3	6	15	44	147	552	2283	10303
			4	8	19	55	180	666	2721
				11	25	70	224	813	3273
					33	89	279	993	3939
						114	349	1217	4752
							438	1496	5745
								1845	6962
									8458