A293054 - OEIS

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A293054 as a triangular array

											1
										2		4
									3		6		9
								5		8		12		16
							7		11		15		20		25
						10		14		19		24		30		37
					13		18		23		29		35		43		51
				17		22		28		34		41		49		58		67
			21		27		33		40		47		56		65		75		85
		26		32		39		46		54		63		73		83		94		106
	31		38		45		53		61		71		81		92		103		116		129

A293054 as a square array

1	2	3	5	7	10	13	17	21	26	31
4	6	8	11	14	18	22	27	32	38
9	12	15	19	23	28	33	39	45
16	20	24	29	34	40	46	53
25	30	35	41	47	54	61
37	43	49	56	63	71
51	58	65	73	81
67	75	83	92
85	94	103
106	116
129

A293054 as an upper right triangle

1	2	3	5	7	10	13	17	21	26	31
	4	6	8	11	14	18	22	27	32	38
		9	12	15	19	23	28	33	39	45
			16	20	24	29	34	40	46	53
				25	30	35	41	47	54	61
					37	43	49	56	63	71
						51	58	65	73	81
							67	75	83	92
								85	94	103
									106	116
										129