A262731 - cp's OEIS frontend

A262731 Primes p in the form pi(q^2)+pi(r^2) with q and r both prime, where pi(x) denotes the number of primes not exceeding x.

n	a(n)
1	11
2	13
3	17
4	19
5	41
6	43
7	101
8	103
9	223
10	293
11	313
12	331
13	359
14	401
15	409
16	439
17	491
18	521
19	523
20	571
21	613
22	677
23	709
24	821
25	883
26	947
27	1009
28	1039
29	1061
30	1193
31	1283
32	1291
33	1303
34	1373
35	1409
36	1427
37	1453
38	1471
39	1487
40	1543
41	1553
42	1609
43	1669
44	1697
45	1811
46	1861
47	1879
48	1907
49	1949
50	1999
51	2039
52	2063
53	2143
54	2213
55	2239
56	2251
57	2267
58	2287
59	2309
60	2381

[11, 13, 17, 19, 41, 43, 101, 103, 223, 293, 313, 331, 359, 401, 409, 439, 491, 521, 523, 571, 613, 677, 709, 821, 883, 947, 1009, 1039, 1061, 1193, 1283, 1291, 1303, 1373, 1409, 1427, 1453, 1471, 1487, 1543, 1553, 1609, 1669, 1697, 1811, 1861, 1879, 1907, 1949, 1999, 2039, 2063, 2143, 2213, 2239, 2251, 2267, 2287, 2309, 2381]

cp's OEIS Frontend

A262731 Primes p in the form pi(q^2)+pi(r^2) with q and r both prime, where pi(x) denotes the number of primes not exceeding x.

Table of values

List of values