cp's OEIS Frontend

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.

A015449 Expansion of (1-4*x)/(1-5*x-x^2).

Table of values

n a(n)
0 1
1 1
2 6
3 31
4 161
5 836
6 4341
7 22541
8 117046
9 607771
10 3155901
11 16387276
12 85092281
13 441848681
14 2294335686
15 11913527111
16 61861971241
17 321223383316
18 1667978887821
19 8661117822421
20 44973567999926
21 233528957822051

List of values

[1, 1, 6, 31, 161, 836, 4341, 22541, 117046, 607771, 3155901, 16387276, 85092281, 441848681, 2294335686, 11913527111, 61861971241, 321223383316, 1667978887821, 8661117822421, 44973567999926, 233528957822051]

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

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