A233147 - OEIS

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A233147 as a triangular array

								1
							2		2
						6		16		6
					23		225		225		23
				99		3727		13259		3727		99
			452		65120		845917		845917		65120		452
		2136		1158334		54777233		198313130		54777233		1158334		2136
	10313		20726079		3556749764		46648134615		46648134615		3556749764		20726079

A233147 as a square array

1	2	6	23	99	452	2136	10313
2	16	225	3727	65120	1158334	20726079
6	225	13259	845917	54777233	3556749764
23	3727	845917	198313130	46648134615
99	65120	54777233	46648134615
452	1158334	3556749764
2136	20726079

A233147 as an upper right triangle

1	2	6	23	99	452	2136	10313
	2	16	225	3727	65120	1158334	20726079
		6	225	13259	845917	54777233	3556749764
			23	3727	845917	198313130	46648134615
				99	65120	54777233	46648134615
					452	1158334	3556749764
						2136	20726079