A265447 - OEIS

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A265447 as a triangular array

										1
									1		1
								1		1		1
							2		2		2		2
						9		53		145		53		9
					29		455		2825		2825		455		29
				79		2218		25069		57721		25069		2218		79
			220		9702		174794		744805		744805		174794		9702		220
		673		59956		2345091		19827238		41855199		19827238		2345091		59956		673
	2106		444998

A265447 as a square array

1	1	1	2	9	29	79	220	673	2106
1	1	2	53	455	2218	9702	59956	444998
1	2	145	2825	25069	174794	2345091
2	53	2825	57721	744805	19827238
9	455	25069	744805	41855199
29	2218	174794	19827238
79	9702	2345091
220	59956
673

A265447 as an upper right triangle

1	1	1	2	9	29	79	220	673	2106
	1	1	2	53	455	2218	9702	59956	444998
		1	2	145	2825	25069	174794	2345091
			2	53	2825	57721	744805	19827238
				9	455	25069	744805	41855199
					29	2218	174794	19827238
						79	9702	2345091
							220	59956
								673