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.

A115243 G.f.: (4*x^2 + 2*x)/(4*x^3 - x^2 - 4*x + 1).

Table of values

n a(n)
0 0
1 2
2 12
3 50
4 204
5 818
6 3276
7 13106
8 52428
9 209714
10 838860
11 3355442
12 13421772
13 53687090
14 214748364
15 858993458
16 3435973836
17 13743895346
18 54975581388
19 219902325554
20 879609302220
21 3518437208882
22 14073748835532
23 56294995342130
24 225179981368524
25 900719925474098

List of values

[0, 2, 12, 50, 204, 818, 3276, 13106, 52428, 209714, 838860, 3355442, 13421772, 53687090, 214748364, 858993458, 3435973836, 13743895346, 54975581388, 219902325554, 879609302220, 3518437208882, 14073748835532, 56294995342130, 225179981368524, 900719925474098]

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

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