A260554 - cp's OEIS frontend

A260554 Primes p such that p = q^2 + 4*r^2 where q and r are also primes.

n	a(n)
1	41
2	61
3	109
4	137
5	149
6	157
7	269
8	317
9	389
10	397
11	461
12	509
13	557
14	653
15	701
16	773
17	797
18	857
19	877
20	941
21	977
22	997
23	1013
24	1061
25	1181
26	1277
27	1453
28	1493
29	1613
30	1637
31	1697
32	1733
33	1877
34	1949
35	1973
36	1997
37	2141
38	2237
39	2309
40	2333
41	2357
42	2477
43	2693
44	2837
45	2909
46	2957
47	3373

[41, 61, 109, 137, 149, 157, 269, 317, 389, 397, 461, 509, 557, 653, 701, 773, 797, 857, 877, 941, 977, 997, 1013, 1061, 1181, 1277, 1453, 1493, 1613, 1637, 1697, 1733, 1877, 1949, 1973, 1997, 2141, 2237, 2309, 2333, 2357, 2477, 2693, 2837, 2909, 2957, 3373]

cp's OEIS Frontend

A260554 Primes p such that p = q^2 + 4*r^2 where q and r are also primes.

Table of values

List of values