A292960 - OEIS

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A292960 as a triangular array

											1
										2		4
									3		7		9
								5		11		15		13
							6		16		22		23		19
						8		20		29		34		32		27
					10		25		38		44		47		43		33
				12		30		46		57		62		61		53		40
			14		36		55		69		78		81		75		66		49
		17		41		65		83		95		102		100		91		76		56
	18		48		74		96		112		122		124		119		107		88

A292960 as a square array

1	2	3	5	6	8	10	12	14	17	18
4	7	11	16	20	25	30	36	41	48
9	15	22	29	38	46	55	65	74
13	23	34	44	57	69	83	96
19	32	47	62	78	95	112
27	43	61	81	102	122
33	53	75	100	124
40	66	91	119
49	76	107
56	88

A292960 as an upper right triangle

1	2	3	5	6	8	10	12	14	17	18
	4	7	11	16	20	25	30	36	41	48
		9	15	22	29	38	46	55	65	74
			13	23	34	44	57	69	83	96
				19	32	47	62	78	95	112
					27	43	61	81	102	122
						33	53	75	100	124
							40	66	91	119
								49	76	107
									56	88