A083173 - OEIS

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A083173 as a triangular array

											2
										3		9
									5		10		15
								7		14		21		42
							11		22		33		44		55
						13		26		39		52		65		117
					17		34		51		68		85		102		119
				19		38		57		76		95		114		133		228
			23		46		69		92		115		138		161		184		207
		29		58		87		116		145		174		203		232		261		435
	31		62		93		124		155		186		217		248		279

A083173 as a square array

2	3	5	7	11	13	17	19	23	29	31
9	10	14	22	26	34	38	46	58	62
15	21	33	39	51	57	69	87	93
42	44	52	68	76	92	116	124
55	65	85	95	115	145	155
117	102	114	138	174	186
119	133	161	203	217
228	184	232	248
207	261	279
435

A083173 as an upper right triangle

2	3	5	7	11	13	17	19	23	29	31
	9	10	14	22	26	34	38	46	58	62
		15	21	33	39	51	57	69	87	93
			42	44	52	68	76	92	116	124
				55	65	85	95	115	145	155
					117	102	114	138	174	186
						119	133	161	203	217
							228	184	232	248
								207	261	279
									435