A201155 - OEIS

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A201155 as a triangular array

										3
									6		6
								11		20		11
							19		56		56		19
						32		140		235		140		32
					53		330		860		860		330		53
				87		745		2910		4572		2910		745		87
			142		1634		9287		22183		22183		9287		1634		142
		231		3504		28452		100362		153796		100362		28452		3504		231
	375		7388		84473		432048

A201155 as a square array

3	6	11	19	32	53	87	142	231	375
6	20	56	140	330	745	1634	3504	7388
11	56	235	860	2910	9287	28452	84473
19	140	860	4572	22183	100362	432048
32	330	2910	22183	153796
53	745	9287	100362
87	1634	28452
142	3504
231

A201155 as an upper right triangle

3	6	11	19	32	53	87	142	231	375
	6	20	56	140	330	745	1634	3504	7388
		11	56	235	860	2910	9287	28452	84473
			19	140	860	4572	22183	100362	432048
				32	330	2910	22183	153796
					53	745	9287	100362
						87	1634	28452
							142	3504
								231