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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.

A181962 Numbers not of the form pi(p) + pi(sqrt(p)) for some prime p.

Table of values

n a(n)
1 3
2 6
3 12
4 19
5 35
6 45
7 68
8 80
9 108
10 156
11 173
12 231
13 276
14 297
15 344
16 425
17 504
18 537
19 628
20 695
21 726
22 833
23 909
24 1024
25 1188
26 1278
27 1321
28 1409
29 1452
30 1553
31 1908
32 2008
33 2174
34 2224
35 2524
36 2583
37 2766
38 2953
39 3082
40 3281
41 3477
42 3554
43 3911
44 3989
45 4134
46 4210
47 4674
48 5154
49 5323

List of values

[3, 6, 12, 19, 35, 45, 68, 80, 108, 156, 173, 231, 276, 297, 344, 425, 504, 537, 628, 695, 726, 833, 909, 1024, 1188, 1278, 1321, 1409, 1452, 1553, 1908, 2008, 2174, 2224, 2524, 2583, 2766, 2953, 3082, 3281, 3477, 3554, 3911, 3989, 4134, 4210, 4674, 5154, 5323]

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

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