A196430 - OEIS

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A196430 as a triangular array

									1
								3		3
							5		23		5
						11		123		123		11
					26		809		1377		809		26
				55		5274		27583		27583		5274		55
			119		33923		452252		1436945		452252		33923		119
		263		219807		7435275		67917500		67917500		7435275		219807		263
	573		1424725		126914055		3308601959

A196430 as a square array

1	3	5	11	26	55	119	263	573
3	23	123	809	5274	33923	219807	1424725
5	123	1377	27583	452252	7435275	126914055
11	809	27583	1436945	67917500	3308601959
26	5274	452252	67917500
55	33923	7435275
119	219807
263

A196430 as an upper right triangle

1	3	5	11	26	55	119	263	573
	3	23	123	809	5274	33923	219807	1424725
		5	123	1377	27583	452252	7435275	126914055
			11	809	27583	1436945	67917500	3308601959
				26	5274	452252	67917500
					55	33923	7435275
						119	219807
							263