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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.

A165407 Expansion of 1/(1-x-x^3*c(x^3)), c(x) the g.f. of A000108.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 4
6 7
7 11
8 16
9 27
10 43
11 65
12 108
13 173
14 267
15 440
16 707
17 1105
18 1812
19 2917
20 4597
21 7514
22 12111
23 19196
24 31307
25 50503
26 80380
27 130883
28 211263
29 337284
30 548547
31 885831
32 1417582
33 2303413
34 3720995
35 5965622
36 9686617
37 15652239
38 25130844
39 40783083
40 65913927

List of values

[1, 1, 1, 2, 3, 4, 7, 11, 16, 27, 43, 65, 108, 173, 267, 440, 707, 1105, 1812, 2917, 4597, 7514, 12111, 19196, 31307, 50503, 80380, 130883, 211263, 337284, 548547, 885831, 1417582, 2303413, 3720995, 5965622, 9686617, 15652239, 25130844, 40783083, 65913927]

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

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