A339116 - cp's OEIS frontend

A339116 Triangle of all squarefree semiprimes grouped by greater prime factor, read by rows.

n	a(n)
2	6
3	10
4	15
5	14
6	21
7	35
8	22
9	33
10	55
11	77
12	26
13	39
14	65
15	91
16	143
17	34
18	51
19	85
20	119
21	187
22	221
23	38
24	57
25	95
26	133
27	209
28	247
29	323
30	46
31	69
32	115
33	161
34	253
35	299
36	391
37	437
38	58
39	87
40	145
41	203
42	319
43	377
44	493
45	551
46	667
47	62
48	93
49	155
50	217
51	341
52	403
53	527
54	589
55	713
56	899

[6, 10, 15, 14, 21, 35, 22, 33, 55, 77, 26, 39, 65, 91, 143, 34, 51, 85, 119, 187, 221, 38, 57, 95, 133, 209, 247, 323, 46, 69, 115, 161, 253, 299, 391, 437, 58, 87, 145, 203, 319, 377, 493, 551, 667, 62, 93, 155, 217, 341, 403, 527, 589, 713, 899]

cp's OEIS Frontend

A339116 Triangle of all squarefree semiprimes grouped by greater prime factor, read by rows.

Table of values

List of values

n	a(n)
2	6
3	10
4	15
5	14
6	21
7	35
8	22
9	33
10	55
11	77
12	26
13	39
14	65
15	91
16	143
17	34
18	51
19	85
20	119
21	187
22	221
23	38
24	57
25	95
26	133
27	209
28	247
29	323
30	46
31	69
32	115
33	161
34	253
35	299
36	391
37	437
38	58
39	87
40	145
41	203
42	319
43	377
44	493
45	551
46	667
47	62
48	93
49	155
50	217
51	341
52	403
53	527
54	589
55	713
56	899

n	a(n)
2	6
3	10
4	15
5	14
6	21
7	35
8	22
9	33
10	55
11	77
12	26
13	39
14	65
15	91
16	143
17	34
18	51
19	85
20	119
21	187
22	221
23	38
24	57
25	95
26	133
27	209
28	247
29	323
30	46
31	69
32	115
33	161
34	253
35	299
36	391
37	437
38	58
39	87
40	145
41	203
42	319
43	377
44	493
45	551
46	667
47	62
48	93
49	155
50	217
51	341
52	403
53	527
54	589
55	713
56	899

n	a(n)
2	6
3	10
4	15
5	14
6	21
7	35
8	22
9	33
10	55
11	77
12	26
13	39
14	65
15	91
16	143
17	34
18	51
19	85
20	119
21	187
22	221
23	38
24	57
25	95
26	133
27	209
28	247
29	323
30	46
31	69
32	115
33	161
34	253
35	299
36	391
37	437
38	58
39	87
40	145
41	203
42	319
43	377
44	493
45	551
46	667
47	62
48	93
49	155
50	217
51	341
52	403
53	527
54	589
55	713
56	899