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.

A117674 Prime numbers whose sum of digits is a triangular number.

Table of values

n a(n)
1 3
2 19
3 37
4 73
5 109
6 127
7 163
8 181
9 271
10 307
11 433
12 523
13 541
14 613
15 631
16 811
17 1009
18 1063
19 1117
20 1153
21 1171
22 1423
23 1531
24 1621
25 1801
26 1999
27 2017
28 2053
29 2143
30 2161
31 2251
32 2341
33 2503
34 2521
35 3061
36 3313
37 3331
38 3511
39 3889
40 4051
41 4231
42 4789
43 4969
44 4987
45 5023
46 5113

List of values

[3, 19, 37, 73, 109, 127, 163, 181, 271, 307, 433, 523, 541, 613, 631, 811, 1009, 1063, 1117, 1153, 1171, 1423, 1531, 1621, 1801, 1999, 2017, 2053, 2143, 2161, 2251, 2341, 2503, 2521, 3061, 3313, 3331, 3511, 3889, 4051, 4231, 4789, 4969, 4987, 5023, 5113]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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