A283962 - OEIS

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A283962 as a triangular array

												1
											2		3
										4		5		6
									7		8		9		11
								10		12		13		15		17
							14		16		18		20		22		25
						19		21		23		26		28		31		34
					24		27		29		32		35		38		41		44
				30		33		36		39		42		46		49		52		56
			37		40		43		47		50		54		58		61		65		69
		45		48		51		55		59		63		67		71		75		79		84
	53

A283962 as a square array

1	2	4	7	10	14	19	24	30	37	45	53
3	5	8	12	16	21	27	33	40	48
6	9	13	18	23	29	36	43	51
11	15	20	26	32	39	47	55
17	22	28	35	42	50	59
25	31	38	46	54	63
34	41	49	58	67
44	52	61	71
56	65	75
69	79
84

A283962 as an upper right triangle

1	2	4	7	10	14	19	24	30	37	45	53
	3	5	8	12	16	21	27	33	40	48
		6	9	13	18	23	29	36	43	51
			11	15	20	26	32	39	47	55
				17	22	28	35	42	50	59
					25	31	38	46	54	63
						34	41	49	58	67
							44	52	61	71
								56	65	75
									69	79
										84