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.

A108981 a(n) = 3a(n-1) + 4a(n-2), a(0) = 1, a(1) = 5.

Table of values

n a(n)
0 1
1 5
2 19
3 77
4 307
5 1229
6 4915
7 19661
8 78643
9 314573
10 1258291
11 5033165
12 20132659
13 80530637
14 322122547
15 1288490189
16 5153960755
17 20615843021
18 82463372083
19 329853488333
20 1319413953331
21 5277655813325
22 21110623253299

List of values

[1, 5, 19, 77, 307, 1229, 4915, 19661, 78643, 314573, 1258291, 5033165, 20132659, 80530637, 322122547, 1288490189, 5153960755, 20615843021, 82463372083, 329853488333, 1319413953331, 5277655813325, 21110623253299]

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

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