A076063 - OEIS

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A076063 as a triangular array

												4
											1		5
										2		3		11
									6		7		8		15
								9		10		12		13		16
							14		17		18		19		20		32
						21		22		23		24		25		26		27
					28		29		30		31		33		34		35		50
				36		37		38		39		40		41		42		43		52
			44		45		46		47		48		49		51		53		54		67
		55		56		57		58		59		60		61		62		63		64		65
	66		68		69		70		71		72

A076063 as a square array

4	1	2	6	9	14	21	28	36	44	55	66
5	3	7	10	17	22	29	37	45	56	68
11	8	12	18	23	30	38	46	57	69
15	13	19	24	31	39	47	58	70
16	20	25	33	40	48	59	71
32	26	34	41	49	60	72
27	35	42	51	61
50	43	53	62
52	54	63
67	64
65

A076063 as an upper right triangle

4	1	2	6	9	14	21	28	36	44	55	66
	5	3	7	10	17	22	29	37	45	56	68
		11	8	12	18	23	30	38	46	57	69
			15	13	19	24	31	39	47	58	70
				16	20	25	33	40	48	59	71
					32	26	34	41	49	60	72
						27	35	42	51	61
							50	43	53	62
								52	54	63
									67	64
										65