A254947 - OEIS

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A254947 as a triangular array

											1
										2		2
									3		6		4
								4		12		18		8
							5		20		48		54		16
						6		30		94		173		148		32
					7		40		157		382		548		342		58
				8		52		230		716		1342		1551		705		81
			9		64		322		1160		3051		4389		4076		1326		104
		10		76		429		1829		5755		13285		14868		10963		2326		140
	11		90		567		2754		10579

A254947 as a square array

1	2	3	4	5	6	7	8	9	10	11
2	6	12	20	30	40	52	64	76	90
4	18	48	94	157	230	322	429	567
8	54	173	382	716	1160	1829	2754
16	148	548	1342	3051	5755	10579
32	342	1551	4389	13285
58	705	4076	14868
81	1326	10963
104	2326
140

A254947 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	11
	2	6	12	20	30	40	52	64	76	90
		4	18	48	94	157	230	322	429	567
			8	54	173	382	716	1160	1829	2754
				16	148	548	1342	3051	5755	10579
					32	342	1551	4389	13285
						58	705	4076	14868
							81	1326	10963
								104	2326
									140