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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.

A103654 Primes which are the average of two successive semiprimes.

Table of values

n a(n)
1 5
2 53
3 67
4 89
5 113
6 131
7 173
8 211
9 251
10 293
11 307
12 337
13 379
14 409
15 449
16 487
17 491
18 499
19 631
20 683
21 701
22 727
23 751
24 769
25 787
26 919
27 941
28 953
29 991
30 1009
31 1039
32 1051
33 1063
34 1117
35 1193
36 1259
37 1399
38 1459
39 1471
40 1499
41 1511
42 1567
43 1627
44 1697
45 1709
46 1733
47 1759
48 1787
49 1801

List of values

[5, 53, 67, 89, 113, 131, 173, 211, 251, 293, 307, 337, 379, 409, 449, 487, 491, 499, 631, 683, 701, 727, 751, 769, 787, 919, 941, 953, 991, 1009, 1039, 1051, 1063, 1117, 1193, 1259, 1399, 1459, 1471, 1499, 1511, 1567, 1627, 1697, 1709, 1733, 1759, 1787, 1801]

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

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