A198654 - OEIS

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A198654 as a triangular array

									0
								1		1
							1		3		1
						2		14		14		2
					3		76		185		76		3
				6		488		3904		3904		488		6
			11		3521		98467		344008		98467		3521		11
		23		28030		3050721		39898934		39898934		3050721		28030		23
	47		242849		108395401		5870175231		21787578805		5870175231		108395401

A198654 as a square array

0	1	1	2	3	6	11	23	47
1	3	14	76	488	3521	28030	242849
1	14	185	3904	98467	3050721	108395401
2	76	3904	344008	39898934	5870175231
3	488	98467	39898934	21787578805
6	3521	3050721	5870175231
11	28030	108395401
23

A198654 as an upper right triangle

0	1	1	2	3	6	11	23	47
	1	3	14	76	488	3521	28030	242849
		1	14	185	3904	98467	3050721	108395401
			2	76	3904	344008	39898934	5870175231
				3	488	98467	39898934	21787578805
					6	3521	3050721	5870175231
						11	28030	108395401
							23