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.

A301770 G.f. A(x) satisfies: A(x) = 1/(1 - x*A(x) - x^2*A(x)^2/(1 - x*A(x) - 2*x^2*A(x)^2/(1 - x*A(x) - 3*x^2*A(x)^2/(1 - ...)))), a continued fraction.

Table of values

n a(n)
0 1
1 1
2 3
3 11
4 47
5 217
6 1061
7 5399
8 28337
9 152381
10 835823
11 4660779
12 26357111
13 150872165
14 872878665
15 5098306063
16 30034591105
17 178326873753
18 1066472979083
19 6421120346267
20 38907397325295
21 237182461204097
22 1454326514077709
23 8968048205494983
24 55608797571427793
25 346716786105033077

List of values

[1, 1, 3, 11, 47, 217, 1061, 5399, 28337, 152381, 835823, 4660779, 26357111, 150872165, 872878665, 5098306063, 30034591105, 178326873753, 1066472979083, 6421120346267, 38907397325295, 237182461204097, 1454326514077709, 8968048205494983, 55608797571427793, 346716786105033077]

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

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