A174373 - OEIS

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A174373 as a triangular array

												2
											2		2
										2		2		2
									2		3		3		2
								2		5		7		5		2
							2		5		11		11		5		2
						2		7		17		23		17		7		2
					2		7		23		37		37		23		7		2
				2		11		29		59		71		59		29		11		2
			2		11		37		89		127		127		89		37		11		2
		2		11		47		127		211		257		211		127		47		11		2
	2		11		59		167		331		463		463		331		167		59		11		2

A174373 as a square array

2	2	2	2	2	2	2	2	2	2	2	2
2	2	3	5	5	7	7	11	11	11	11
2	3	7	11	17	23	29	37	47	59
2	5	11	23	37	59	89	127	167
2	5	17	37	71	127	211	331
2	7	23	59	127	257	463
2	7	29	89	211	463
2	11	37	127	331
2	11	47	167
2	11	59
2	11
2

A174373 as an upper right triangle

2	2	2	2	2	2	2	2	2	2	2	2
	2	2	3	5	5	7	7	11	11	11	11
		2	3	7	11	17	23	29	37	47	59
			2	5	11	23	37	59	89	127	167
				2	5	17	37	71	127	211	331
					2	7	23	59	127	257	463
						2	7	29	89	211	463
							2	11	37	127	331
								2	11	47	167
									2	11	59
										2	11
											2