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.

A109544 Expansion of (1 + x - x^3 - 2*x^4)/(1 - x^2 - x^3 - x^4 - x^5).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 4
6 4
7 7
8 10
9 16
10 25
11 37
12 58
13 88
14 136
15 208
16 319
17 490
18 751
19 1153
20 1768
21 2713
22 4162
23 6385
24 9796
25 15028
26 23056
27 35371
28 54265
29 83251
30 127720
31 195943
32 300607
33 461179
34 707521
35 1085449
36 1665250
37 2554756
38 3919399
39 6012976
40 9224854
41 14152381

List of values

[1, 1, 1, 1, 1, 4, 4, 7, 10, 16, 25, 37, 58, 88, 136, 208, 319, 490, 751, 1153, 1768, 2713, 4162, 6385, 9796, 15028, 23056, 35371, 54265, 83251, 127720, 195943, 300607, 461179, 707521, 1085449, 1665250, 2554756, 3919399, 6012976, 9224854, 14152381]

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

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