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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.

A299494 Solution a( ) of the complementary equation a(n) = b(n-1) + b(n-2) + b(n-3), where a(0) = 2, a(1) = 4, a(2) = 6; see Comments.

Table of values

n a(n)
0 2
1 4
2 6
3 9
4 15
5 20
6 25
7 29
8 33
9 36
10 39
11 43
12 47
13 51
14 54
15 58
16 62
17 66
18 69
19 73
20 77
21 81
22 85
23 89
24 93
25 97
26 101
27 106
28 110
29 115
30 119
31 123
32 127
33 131
34 135
35 139
36 143
37 147
38 151
39 155
40 160
41 164
42 168
43 172
44 176
45 180
46 184
47 188
48 192
49 196
50 200
51 205
52 209
53 213
54 217
55 221
56 225
57 229

List of values

[2, 4, 6, 9, 15, 20, 25, 29, 33, 36, 39, 43, 47, 51, 54, 58, 62, 66, 69, 73, 77, 81, 85, 89, 93, 97, 101, 106, 110, 115, 119, 123, 127, 131, 135, 139, 143, 147, 151, 155, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 200, 205, 209, 213, 217, 221, 225, 229]

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

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