A138117 - cp's OEIS frontend

A138117 Triangle read by rows: row n lists the first 2n-1 prime numbers.

n	a(n)
1	2
2	2
3	3
4	5
5	2
6	3
7	5
8	7
9	11
10	2
11	3
12	5
13	7
14	11
15	13
16	17
17	2
18	3
19	5
20	7
21	11
22	13
23	17
24	19
25	23
26	2
27	3
28	5
29	7
30	11
31	13
32	17
33	19
34	23
35	29
36	31
37	2
38	3
39	5
40	7
41	11
42	13
43	17
44	19
45	23
46	29
47	31
48	37
49	41
50	2
51	3
52	5
53	7
54	11
55	13
56	17
57	19
58	23
59	29
60	31
61	37
62	41
63	43
64	47

[2, 2, 3, 5, 2, 3, 5, 7, 11, 2, 3, 5, 7, 11, 13, 17, 2, 3, 5, 7, 11, 13, 17, 19, 23, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47]

cp's OEIS Frontend

A138117 Triangle read by rows: row n lists the first 2n-1 prime numbers.

Table of values

List of values

n	a(n)
1	2
2	2
3	3
4	5
5	2
6	3
7	5
8	7
9	11
10	2
11	3
12	5
13	7
14	11
15	13
16	17
17	2
18	3
19	5
20	7
21	11
22	13
23	17
24	19
25	23
26	2
27	3
28	5
29	7
30	11
31	13
32	17
33	19
34	23
35	29
36	31
37	2
38	3
39	5
40	7
41	11
42	13
43	17
44	19
45	23
46	29
47	31
48	37
49	41
50	2
51	3
52	5
53	7
54	11
55	13
56	17
57	19
58	23
59	29
60	31
61	37
62	41
63	43
64	47

n	a(n)
1	2
2	2
3	3
4	5
5	2
6	3
7	5
8	7
9	11
10	2
11	3
12	5
13	7
14	11
15	13
16	17
17	2
18	3
19	5
20	7
21	11
22	13
23	17
24	19
25	23
26	2
27	3
28	5
29	7
30	11
31	13
32	17
33	19
34	23
35	29
36	31
37	2
38	3
39	5
40	7
41	11
42	13
43	17
44	19
45	23
46	29
47	31
48	37
49	41
50	2
51	3
52	5
53	7
54	11
55	13
56	17
57	19
58	23
59	29
60	31
61	37
62	41
63	43
64	47

n	a(n)
1	2
2	2
3	3
4	5
5	2
6	3
7	5
8	7
9	11
10	2
11	3
12	5
13	7
14	11
15	13
16	17
17	2
18	3
19	5
20	7
21	11
22	13
23	17
24	19
25	23
26	2
27	3
28	5
29	7
30	11
31	13
32	17
33	19
34	23
35	29
36	31
37	2
38	3
39	5
40	7
41	11
42	13
43	17
44	19
45	23
46	29
47	31
48	37
49	41
50	2
51	3
52	5
53	7
54	11
55	13
56	17
57	19
58	23
59	29
60	31
61	37
62	41
63	43
64	47