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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.

A090481 Primes p such that tau(p-1)+tau(p+1) is larger than for any previous term. (Smallest prime sandwiched between more composite numbers.)

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 17
7 19
8 29
9 41
10 71
11 179
12 181
13 239
14 419
15 701
16 839
17 881
18 1259
19 1871
20 2161
21 2521
22 4159
23 5039
24 7561
25 10079
26 13441
27 13859
28 20161
29 22679
30 30241
31 35281
32 45361
33 55439
34 65519
35 110879
36 138599
37 151201
38 166319
39 226799
40 262079
41 327599
42 332641

List of values

[2, 3, 5, 7, 11, 17, 19, 29, 41, 71, 179, 181, 239, 419, 701, 839, 881, 1259, 1871, 2161, 2521, 4159, 5039, 7561, 10079, 13441, 13859, 20161, 22679, 30241, 35281, 45361, 55439, 65519, 110879, 138599, 151201, 166319, 226799, 262079, 327599, 332641]

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

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