A286102 - OEIS

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A286102 as a triangular array

													1
												3		3
											6		5		6
										10		21		21		10
									15		14		13		14		15
								21		55		78		78		55		21
							28		27		120		25		120		27		28
						36		105		34		210		210		34		105		36
					45		44		231		90		41		90		231		44		45
				55		171		300		406		465		465		406		300		171		55
			66		65		64		63		630		61		630		63		64		65		66
		78		253		465		666		820		903		903		820		666		465		253		78
	91		90		561		230		1035		324		85		324		1035		230		561		90		91

A286102 as a square array

1	3	6	10	15	21	28	36	45	55	66	78	91
3	5	21	14	55	27	105	44	171	65	253	90
6	21	13	78	120	34	231	300	64	465	561
10	14	78	25	210	90	406	63	666	230
15	55	120	210	41	465	630	820	1035
21	27	34	90	465	61	903	324
28	105	231	406	630	903	85
36	44	300	63	820	324
45	171	64	666	1035
55	65	465	230
66	253	561
78	90
91

A286102 as an upper right triangle

1	3	6	10	15	21	28	36	45	55	66	78	91
	3	5	21	14	55	27	105	44	171	65	253	90
		6	21	13	78	120	34	231	300	64	465	561
			10	14	78	25	210	90	406	63	666	230
				15	55	120	210	41	465	630	820	1035
					21	27	34	90	465	61	903	324
						28	105	231	406	630	903	85
							36	44	300	63	820	324
								45	171	64	666	1035
									55	65	465	230
										66	253	561
											78	90
												91