A200668 - OEIS

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A200668 as a triangular array

											2
										3		3
									4		6		5
								5		10		12		8
							6		15		26		24		12
						7		21		45		69		46		17
					8		28		75		135		175		89		25
				9		36		112		267		406		432		176		36
			10		45		164		448		938		1217		1076		350		51
		11		55		225		750		1813		3283		3650		2671		697		72
	12		66		305		1125		3414		7322		11516		10959

A200668 as a square array

2	3	4	5	6	7	8	9	10	11	12
3	6	10	15	21	28	36	45	55	66
5	12	26	45	75	112	164	225	305
8	24	69	135	267	448	750	1125
12	46	175	406	938	1813	3414
17	89	432	1217	3283	7322
25	176	1076	3650	11516
36	350	2671	10959
51	697
72

A200668 as an upper right triangle

2	3	4	5	6	7	8	9	10	11	12
	3	6	10	15	21	28	36	45	55	66
		5	12	26	45	75	112	164	225	305
			8	24	69	135	267	448	750	1125
				12	46	175	406	938	1813	3414
					17	89	432	1217	3283	7322
						25	176	1076	3650	11516
							36	350	2671	10959
								51	697
									72