A339539 - OEIS

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A339539 as a triangular array

											1
										3		3
									6		11		15
								6		17		20		14
							7		23		25		56		55
						9		31		49		84		55		39
					12		34		69		126		165		143		221
				12		34		69		133		242		221		391		57
			13		42		89		181		297		234		544		399		391
		15		42		99		223		319		377		748		513		782		29
	18		45		123		258		363		494

A339539 as a square array

1	3	6	6	7	9	12	12	13	15	18
3	11	17	23	31	34	34	42	42	45
15	20	25	49	69	69	89	99	123
14	56	84	126	133	181	223	258
55	55	165	242	297	319	363
39	143	221	234	377	494
221	391	544	748
57	399	513
391	782
29

A339539 as an upper right triangle

1	3	6	6	7	9	12	12	13	15	18
	3	11	17	23	31	34	34	42	42	45
		15	20	25	49	69	69	89	99	123
			14	56	84	126	133	181	223	258
				55	55	165	242	297	319	363
					39	143	221	234	377	494
						221	391	544	748
							57	399	513
								391	782
									29