A261297 - OEIS

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A261297 as a triangular array

															2
														1		4
													4		6		8
												2		3		5		7
											4		6		8		9		10
										3		5		7		11		13		17
									4		6		8		9		10		12		14
								3		5		7		11		13		17		19		23
							5		7		11		13		17		19		23		29		31
						5		7		11		13		17		19		23		29		31		37
					6		8		9		10		12		14		15		16		18		20		21
				7		11		13		17		19		23		29		31		37		41		43		47
			6		8		9		10		12		14		15		16		18		20		21		22		24
		7		11		13		17		19		23		29		31		37		41		43		47		53		59
	11		13		17		19		23		29		31		37		41		43		47		53		59		61		67

A261297 as a square array

2	1	4	2	4	3	4	3	5	5	6	7	6	7	11
4	6	3	6	5	6	5	7	7	8	11	8	11	13
8	5	8	7	8	7	11	11	9	13	9	13	17
7	9	11	9	11	13	13	10	17	10	17	19
10	13	10	13	17	17	12	19	12	19	23
17	12	17	19	19	14	23	14	23	29
14	19	23	23	15	29	15	29	31
23	29	29	16	31	16	31	37
31	31	18	37	18	37	41
37	20	41	20	41	43
21	43	21	43	47
47	22	47	53
24	53	59
59	61
67

A261297 as an upper right triangle

2	1	4	2	4	3	4	3	5	5	6	7	6	7	11
	4	6	3	6	5	6	5	7	7	8	11	8	11	13
		8	5	8	7	8	7	11	11	9	13	9	13	17
			7	9	11	9	11	13	13	10	17	10	17	19
				10	13	10	13	17	17	12	19	12	19	23
					17	12	17	19	19	14	23	14	23	29
						14	19	23	23	15	29	15	29	31
							23	29	29	16	31	16	31	37
								31	31	18	37	18	37	41
									37	20	41	20	41	43
										21	43	21	43	47
											47	22	47	53
												24	53	59
													59	61
														67