A095729 - OEIS

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A095729 as a triangular array

											1
										3		4
									6		10		9
								10		18		21		16
							15		28		36		36		25
						21		40		54		60		55		36
					28		54		75		88		90		78		49
				36		70		99		120		130		126		105		64
			45		88		126		156		175		180		168		136		81
		55		108		156		196		225		240		238		216		171		100
	66		130		189		240		280		306		315		304

A095729 as a square array

1	3	6	10	15	21	28	36	45	55	66
4	10	18	28	40	54	70	88	108	130
9	21	36	54	75	99	126	156	189
16	36	60	88	120	156	196	240
25	55	90	130	175	225	280
36	78	126	180	240	306
49	105	168	238	315
64	136	216	304
81	171
100

A095729 as an upper right triangle

1	3	6	10	15	21	28	36	45	55	66
	4	10	18	28	40	54	70	88	108	130
		9	21	36	54	75	99	126	156	189
			16	36	60	88	120	156	196	240
				25	55	90	130	175	225	280
					36	78	126	180	240	306
						49	105	168	238	315
							64	136	216	304
								81	171
									100