A243441 - cp's OEIS frontend

A243441 Primes p such that p + A000120(p) is also a prime, where A000120 = sum of digits in base 2 = Hamming weight.

n	a(n)
1	2
2	3
3	5
4	17
5	43
6	163
7	277
8	311
9	347
10	373
11	461
12	479
13	571
14	643
15	673
16	821
17	853
18	857
19	881
20	977
21	983
22	1013
23	1093
24	1103
25	1117
26	1181
27	1223
28	1297
29	1427
30	1433
31	1439
32	1481
33	1523
34	1607
35	1613
36	1621
37	1823
38	1861
39	1871
40	1873
41	2003
42	2083
43	2281
44	2333
45	2393
46	2417
47	2467
48	2549

[2, 3, 5, 17, 43, 163, 277, 311, 347, 373, 461, 479, 571, 643, 673, 821, 853, 857, 881, 977, 983, 1013, 1093, 1103, 1117, 1181, 1223, 1297, 1427, 1433, 1439, 1481, 1523, 1607, 1613, 1621, 1823, 1861, 1871, 1873, 2003, 2083, 2281, 2333, 2393, 2417, 2467, 2549]

cp's OEIS Frontend

A243441 Primes p such that p + A000120(p) is also a prime, where A000120 = sum of digits in base 2 = Hamming weight.

Table of values

List of values