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.

A107357 a(n) = 1 + A_n(n), or a(n) = -1 if sequence A_n is not defined up to index n.

Table of values

n a(n)
1 2
2 3
3 2
4 1
5 3
6 4
7 1
8 8
9 9
10 5
11 64
12 2
13 317
14 79
15 17
16 2049
17 7653
18 26628
19 9
20 24001
21 232920
22 1145407
23 3498690007594650042369
24 2058538
25 59
26 27
27 28
28 60
29 9272781
30 4
31 69273669
32 4870848
33 2387010102192469724605148123694256129
34 2
35 2
36 -52
37 44
38 1
39 -4695
40 174
41 44584
42 111111111111111111111111111111111111111112
43 30402458
44 668803782
45 1134903171
46 382443020333

List of values

[2, 3, 2, 1, 3, 4, 1, 8, 9, 5, 64, 2, 317, 79, 17, 2049, 7653, 26628, 9, 24001, 232920, 1145407, 3498690007594650042369, 2058538, 59, 27, 28, 60, 9272781, 4, 69273669, 4870848, 2387010102192469724605148123694256129, 2, 2, -52, 44, 1, -4695, 174, 44584, 111111111111111111111111111111111111111112, 30402458, 668803782, 1134903171, 382443020333]

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

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