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.

A119470 G.f. A(x) equals the limit of the composition of functions (x+x^n); let F_1(x) = x, F_{n+1}(x) = F_n(x+x^(n+1)), then A(x) = limit F_n(x): A(x) = x o x+x^2 o x+x^3 o ... o x+x^n o...

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 3
6 7
7 14
8 19
9 37
10 70
11 128
12 195
13 382
14 671
15 1188
16 2143
17 3550
18 6519
19 11544
20 20263
21 35316
22 62302
23 108272
24 191277
25 336749
26 583438
27 1022109
28 1784180
29 3115162
30 5411730
31 9454962
32 16420712
33 28558546
34 49616719
35 86004273
36 149312549

List of values

[1, 1, 1, 3, 3, 7, 14, 19, 37, 70, 128, 195, 382, 671, 1188, 2143, 3550, 6519, 11544, 20263, 35316, 62302, 108272, 191277, 336749, 583438, 1022109, 1784180, 3115162, 5411730, 9454962, 16420712, 28558546, 49616719, 86004273, 149312549]