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.

A101917 G.f. satisfies: A(x) = 1/(1 + x*A(x^7)) and also the continued fraction: 1 + x*A(x^8) = [1; 1/x, 1/x^7, 1/x^49, 1/x^343, ..., 1/x^(7^(n-1)), ...].

Table of values

n a(n)
0 1
1 -1
2 1
3 -1
4 1
5 -1
6 1
7 -1
8 2
9 -3
10 4
11 -5
12 6
13 -7
14 8
15 -10
16 13
17 -17
18 22
19 -28
20 35
21 -43
22 53
23 -66
24 83
25 -105
26 133
27 -168
28 211
29 -264
30 330
31 -413
32 518
33 -651
34 819
35 -1030
36 1294
37 -1624
38 2037
39 -2555
40 3206
41 -4025
42 5055
43 -6349
44 7973
45 -10010
46 12565
47 -15771
48 19796
49 -24851
50 31200
51 -39173
52 49183
53 -61748
54 77519
55 -97315
56 122166

List of values

[1, -1, 1, -1, 1, -1, 1, -1, 2, -3, 4, -5, 6, -7, 8, -10, 13, -17, 22, -28, 35, -43, 53, -66, 83, -105, 133, -168, 211, -264, 330, -413, 518, -651, 819, -1030, 1294, -1624, 2037, -2555, 3206, -4025, 5055, -6349, 7973, -10010, 12565, -15771, 19796, -24851, 31200, -39173, 49183, -61748, 77519, -97315, 122166]