cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A320866 Primes such that p + digitsum(p, base 4) is again a prime.

Table of values

n a(n)
1 5
2 7
3 13
4 17
5 19
6 37
7 59
8 67
9 97
10 127
11 173
12 193
13 223
14 233
15 277
16 359
17 379
18 439
19 499
20 563
21 569
22 599
23 607
24 631
25 653
26 691
27 733
28 769
29 811
30 821
31 829
32 877
33 919
34 929
35 937
36 967
37 1009
38 1019
39 1087
40 1093
41 1163
42 1193
43 1213
44 1223
45 1229
46 1297
47 1319
48 1373
49 1399
50 1423
51 1481
52 1483
53 1559
54 1571
55 1597
56 1613
57 1619
58 1627
59 1657
60 1699
61 1733
62 1777

List of values

[5, 7, 13, 17, 19, 37, 59, 67, 97, 127, 173, 193, 223, 233, 277, 359, 379, 439, 499, 563, 569, 599, 607, 631, 653, 691, 733, 769, 811, 821, 829, 877, 919, 929, 937, 967, 1009, 1019, 1087, 1093, 1163, 1193, 1213, 1223, 1229, 1297, 1319, 1373, 1399, 1423, 1481, 1483, 1559, 1571, 1597, 1613, 1619, 1627, 1657, 1699, 1733, 1777]