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.

A014742 Expansion of (1+x^2)/(1 - 2*x - 2*x^2 + x^3).

Table of values

n a(n)
0 1
1 2
2 7
3 17
4 46
5 119
6 313
7 818
8 2143
9 5609
10 14686
11 38447
12 100657
13 263522
14 689911
15 1806209
16 4728718
17 12379943
18 32411113
19 84853394
20 222149071
21 581593817
22 1522632382
23 3986303327
24 10436277601
25 27322529474
26 71531310823
27 187271402993
28 490282898158
29 1283577291479

List of values

[1, 2, 7, 17, 46, 119, 313, 818, 2143, 5609, 14686, 38447, 100657, 263522, 689911, 1806209, 4728718, 12379943, 32411113, 84853394, 222149071, 581593817, 1522632382, 3986303327, 10436277601, 27322529474, 71531310823, 187271402993, 490282898158, 1283577291479]