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.

A058031 a(n) = n^4 - 2*n^3 + 3*n^2 - 2*n + 1, the Alexander polynomial for reef and granny knots.

Table of values

n a(n)
0 1
1 1
2 9
3 49
4 169
5 441
6 961
7 1849
8 3249
9 5329
10 8281
11 12321
12 17689
13 24649
14 33489
15 44521
16 58081
17 74529
18 94249
19 117649
20 145161
21 177241
22 214369
23 257049
24 305809
25 361201
26 423801
27 494209
28 573049
29 660969
30 758641
31 866761
32 986049
33 1117249
34 1261129
35 1418481
36 1590121

List of values

[1, 1, 9, 49, 169, 441, 961, 1849, 3249, 5329, 8281, 12321, 17689, 24649, 33489, 44521, 58081, 74529, 94249, 117649, 145161, 177241, 214369, 257049, 305809, 361201, 423801, 494209, 573049, 660969, 758641, 866761, 986049, 1117249, 1261129, 1418481, 1590121]