A143102 - OEIS

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A143102 as a triangular array

												1
											2		3
										4		6		7
									3		7		9		10
								5		8		12		14		15
							7		12		15		29		21		22
						6		18		18		21		25		27		28
					8		14		21		26		29		33		35		36
				10		18		24		31		36		39		43		45		46
			9		19		27		33		40		45		48		52		54		55
		11		20		30		38		44		51		56		59		63		65		66
	13		24		33		43		51		57		64		69		72

A143102 as a square array

1	2	4	3	5	7	6	8	10	9	11	13
3	6	7	8	12	18	14	18	19	20	24
7	9	12	15	18	21	24	27	30	33
10	14	29	21	26	31	33	38	43
15	21	25	29	36	40	44	51
22	27	33	39	45	51	57
28	35	43	48	56	64
36	45	52	59	69
46	54	63	72
55	65
66

A143102 as an upper right triangle

1	2	4	3	5	7	6	8	10	9	11	13
	3	6	7	8	12	18	14	18	19	20	24
		7	9	12	15	18	21	24	27	30	33
			10	14	29	21	26	31	33	38	43
				15	21	25	29	36	40	44	51
					22	27	33	39	45	51	57
						28	35	43	48	56	64
							36	45	52	59	69
								46	54	63	72
									55	65
										66