A013917 - cp's OEIS frontend

A013917 a(n) is prime and sum of all primes <= a(n) is prime.

n	a(n)
1	2
2	3
3	7
4	13
5	37
6	43
7	281
8	311
9	503
10	541
11	557
12	593
13	619
14	673
15	683
16	733
17	743
18	839
19	881
20	929
21	953
22	1061
23	1163
24	1213
25	1249
26	1277
27	1283
28	1307
29	1321
30	1949
31	2029
32	2161
33	2203
34	2213
35	2237
36	2243
37	2297
38	2357
39	2393
40	2411
41	2957
42	3137
43	3251
44	3257
45	3301
46	3413
47	3461
48	3491

[2, 3, 7, 13, 37, 43, 281, 311, 503, 541, 557, 593, 619, 673, 683, 733, 743, 839, 881, 929, 953, 1061, 1163, 1213, 1249, 1277, 1283, 1307, 1321, 1949, 2029, 2161, 2203, 2213, 2237, 2243, 2297, 2357, 2393, 2411, 2957, 3137, 3251, 3257, 3301, 3413, 3461, 3491]

cp's OEIS Frontend

A013917 a(n) is prime and sum of all primes <= a(n) is prime.

Table of values

List of values