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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.

A280154 a(n) = 5*Lucas(n).

Table of values

n a(n)
0 10
1 5
2 15
3 20
4 35
5 55
6 90
7 145
8 235
9 380
10 615
11 995
12 1610
13 2605
14 4215
15 6820
16 11035
17 17855
18 28890
19 46745
20 75635
21 122380
22 198015
23 320395
24 518410
25 838805
26 1357215
27 2196020
28 3553235
29 5749255
30 9302490
31 15051745
32 24354235
33 39405980
34 63760215
35 103166195
36 166926410
37 270092605
38 437019015

List of values

[10, 5, 15, 20, 35, 55, 90, 145, 235, 380, 615, 995, 1610, 2605, 4215, 6820, 11035, 17855, 28890, 46745, 75635, 122380, 198015, 320395, 518410, 838805, 1357215, 2196020, 3553235, 5749255, 9302490, 15051745, 24354235, 39405980, 63760215, 103166195, 166926410, 270092605, 437019015]

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

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