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.

A348880 G.f. A(x) satisfies: A(x) = 1 / (1 - x - x^2 * A(4*x)).

Table of values

n a(n)
0 1
1 1
2 2
3 7
4 45
5 540
6 12645
7 578965
8 52968266
9 9592378291
10 3490570329073
11 2521575506955308
12 3665174976025818601
13 10583587128179171478201
14 61512603105342112799632050
15 710375545029057279438117199695
16 16513584476995892580457952423234565

List of values

[1, 1, 2, 7, 45, 540, 12645, 578965, 52968266, 9592378291, 3490570329073, 2521575506955308, 3665174976025818601, 10583587128179171478201, 61512603105342112799632050, 710375545029057279438117199695, 16513584476995892580457952423234565]

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

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