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.

A366448 Number of distinct characteristic polynomials for 2 X 2 matrices with entries from {0, 1, ..., n}.

Table of values

n a(n)
0 1
1 6
2 22
3 58
4 116
5 221
6 356
7 573
8 824
9 1163
10 1565
11 2143
12 2697
13 3527
14 4385
15 5388
16 6455
17 7992
18 9342
19 11262
20 12953
21 15034
22 17301
23 20246
24 22595
25 25823
26 29054
27 32679
28 36228
29 41112
30 44964
31 50600
32 55288
33 60770
34 66543
35 72927
36 78173
37 86577
38 93925
39 101775
40 108798

List of values

[1, 6, 22, 58, 116, 221, 356, 573, 824, 1163, 1565, 2143, 2697, 3527, 4385, 5388, 6455, 7992, 9342, 11262, 12953, 15034, 17301, 20246, 22595, 25823, 29054, 32679, 36228, 41112, 44964, 50600, 55288, 60770, 66543, 72927, 78173, 86577, 93925, 101775, 108798]