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.

A243904 Semiprimes of the form p^2 + pq + q^2, where p, q are consecutive primes.

Table of values

n a(n)
1 49
2 247
3 679
4 973
5 2701
6 5293
7 7509
8 10801
9 12297
10 15553
11 17337
12 25963
13 29407
14 33079
15 34993
16 36967
17 43249
18 53877
19 67501
20 71157
21 76809
22 97201
23 117613
24 155953
25 181573
26 225237
27 270049
28 292033
29 297679
30 314977
31 350917
32 380217
33 477607
34 492091
35 514213
36 632047
37 648679

List of values

[49, 247, 679, 973, 2701, 5293, 7509, 10801, 12297, 15553, 17337, 25963, 29407, 33079, 34993, 36967, 43249, 53877, 67501, 71157, 76809, 97201, 117613, 155953, 181573, 225237, 270049, 292033, 297679, 314977, 350917, 380217, 477607, 492091, 514213, 632047, 648679]