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.

A162996 a(n) = Round(kn * (log(kn)+1)), with k = 2.216 as an approximation of R_n = n-th Ramanujan prime A104272(n) and Abs(a(n)-R_n) < 2 * Sqrt(a(n)) for n in [1..1000].

Table of values

n a(n)
1 4
2 11
3 19
4 28
5 38
6 48
7 58
8 69
9 80
10 91
11 102
12 114
13 126
14 138
15 150
16 162
17 174
18 187
19 200
20 212
21 225
22 238
23 251
24 265
25 278
26 291
27 305
28 318
29 332
30 345
31 359
32 373
33 387
34 401
35 415
36 429
37 443
38 458
39 472
40 486
41 501
42 515
43 530
44 544
45 559
46 573
47 588
48 603
49 618
50 632
51 647
52 662
53 677
54 692

List of values

[4, 11, 19, 28, 38, 48, 58, 69, 80, 91, 102, 114, 126, 138, 150, 162, 174, 187, 200, 212, 225, 238, 251, 265, 278, 291, 305, 318, 332, 345, 359, 373, 387, 401, 415, 429, 443, 458, 472, 486, 501, 515, 530, 544, 559, 573, 588, 603, 618, 632, 647, 662, 677, 692]

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

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