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.

A027934 a(0)=0, a(1)=1, a(2)=2; for n > 2, a(n) = 3*a(n-1) - a(n-2) - 2*a(n-3).

Table of values

n a(n)
0 0
1 1
2 2
3 5
4 11
5 24
6 51
7 107
8 222
9 457
10 935
11 1904
12 3863
13 7815
14 15774
15 31781
16 63939
17 128488
18 257963
19 517523
20 1037630
21 2079441
22 4165647
23 8342240
24 16702191
25 33433039
26 66912446
27 133899917
28 267921227
29 536038872
30 1072395555
31 2145305339

List of values

[0, 1, 2, 5, 11, 24, 51, 107, 222, 457, 935, 1904, 3863, 7815, 15774, 31781, 63939, 128488, 257963, 517523, 1037630, 2079441, 4165647, 8342240, 16702191, 33433039, 66912446, 133899917, 267921227, 536038872, 1072395555, 2145305339]