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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.

A117791 Expansion of 1/(1 - x - x^2 + x^4 - x^6).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 4
5 6
6 9
7 13
8 20
9 30
10 45
11 68
12 102
13 153
14 230
15 345
16 518
17 778
18 1168
19 1754
20 2634
21 3955
22 5939
23 8918
24 13391
25 20108
26 30194
27 45339
28 68081
29 102230
30 153508
31 230507
32 346128
33 519744
34 780445
35 1171912
36 1759737
37 2642412
38 3967832
39 5958076
40 8946616
41 13434192

List of values

[1, 1, 2, 3, 4, 6, 9, 13, 20, 30, 45, 68, 102, 153, 230, 345, 518, 778, 1168, 1754, 2634, 3955, 5939, 8918, 13391, 20108, 30194, 45339, 68081, 102230, 153508, 230507, 346128, 519744, 780445, 1171912, 1759737, 2642412, 3967832, 5958076, 8946616, 13434192]

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

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