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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.

A291311 Expansion of (1-x^2)/((1-x-x^2)*(1-x-x^4)).

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 9
5 16
6 27
7 45
8 75
9 125
10 207
11 341
12 560
13 918
14 1502
15 2453
16 4000
17 6515
18 10601
19 17235
20 28000
21 45461
22 73773
23 119665
24 194033
25 314519
26 509685
27 825768
28 1337612
29 2166360
30 3508085
31 5680122
32 9196043
33 14886981
34 24097953
35 39005540
36 63131935
37 102176733
38 165362855
39 267614381

List of values

[1, 2, 3, 5, 9, 16, 27, 45, 75, 125, 207, 341, 560, 918, 1502, 2453, 4000, 6515, 10601, 17235, 28000, 45461, 73773, 119665, 194033, 314519, 509685, 825768, 1337612, 2166360, 3508085, 5680122, 9196043, 14886981, 24097953, 39005540, 63131935, 102176733, 165362855, 267614381]

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

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