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.

A367717 G.f. A(x) satisfies A(x) = 1 / ((1 + x) * (1 - x * (1 + x + x^2) * A(x^3))).

Table of values

n a(n)
0 1
1 0
2 2
3 2
4 5
5 8
6 16
7 30
8 57
9 108
10 206
11 390
12 741
13 1407
14 2670
15 5068
16 9622
17 18262
18 34666
19 65806
20 124911
21 237109
22 450092
23 854368
24 1621784
25 3078519
26 5843709
27 11092672
28 21056400
29 39969753
30 75871567
31 144021302
32 273384733
33 518945611
34 985075356
35 1869894158
36 3549478993

List of values

[1, 0, 2, 2, 5, 8, 16, 30, 57, 108, 206, 390, 741, 1407, 2670, 5068, 9622, 18262, 34666, 65806, 124911, 237109, 450092, 854368, 1621784, 3078519, 5843709, 11092672, 21056400, 39969753, 75871567, 144021302, 273384733, 518945611, 985075356, 1869894158, 3549478993]

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

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