A146985 - OEIS

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A146985 as a triangular array

											1
										2		2
									3		4		3
								5		6		6		5
							7		10		9		10		7
						11		14		15		15		14		11
					13		22		21		25		21		22		13
				17		26		33		35		35		33		26		17
			19		34		39		55		49		55		39		34		19
		23		38		51		65		77		77		65		51		38		23
	29		46		57		85		91		121		91		85		57		46		29

A146985 as a square array

1	2	3	5	7	11	13	17	19	23	29
2	4	6	10	14	22	26	34	38	46
3	6	9	15	21	33	39	51	57
5	10	15	25	35	55	65	85
7	14	21	35	49	77	91
11	22	33	55	77	121
13	26	39	65	91
17	34	51	85
19	38	57
23	46
29

A146985 as an upper right triangle

1	2	3	5	7	11	13	17	19	23	29
	2	4	6	10	14	22	26	34	38	46
		3	6	9	15	21	33	39	51	57
			5	10	15	25	35	55	65	85
				7	14	21	35	49	77	91
					11	22	33	55	77	121
						13	26	39	65	91
							17	34	51	85
								19	38	57
									23	46
										29