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.

A351128 G.f. A(x) satisfies: A(x) = x + x^2 * A(x/(1 - 4*x)) / (1 - 4*x).

Table of values

n a(n)
0 0
1 1
2 0
3 1
4 8
5 49
6 280
7 1649
8 10800
9 81505
10 696400
11 6472033
12 63562872
13 652984977
14 7026210728
15 79547049681
16 949709767904
17 11936248012993
18 157219119485216
19 2159448120457409
20 30811324011852136
21 455635009201780977
22 6975424580445456056
23 110478282815356437809

List of values

[0, 1, 0, 1, 8, 49, 280, 1649, 10800, 81505, 696400, 6472033, 63562872, 652984977, 7026210728, 79547049681, 949709767904, 11936248012993, 157219119485216, 2159448120457409, 30811324011852136, 455635009201780977, 6975424580445456056, 110478282815356437809]

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

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