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.

A182368 Triangle T(n,k), n>=1, 0<=k<=n^2, read by rows: row n gives the coefficients of the chromatic polynomial of the square grid graph G_(n,n), highest powers first.

Table of values

n a(n)
1 1
2 0
3 1
4 -4
5 6
6 -3
7 0
8 1
9 -12
10 66
11 -216
12 459
13 -648
14 594
15 -323
16 79
17 0
18 1
19 -24
20 276
21 -2015
22 10437
23 -40614
24 122662
25 -292883
26 557782
27 -848056
28 1022204
29 -960627
30 682349
31 -346274
32 112275
33 -17493
34 0
35 1
36 -40
37 780
38 -9864
39 90798
40 -647352
41 3714180
42 -17590911
43 69997383

List of values

[1, 0, 1, -4, 6, -3, 0, 1, -12, 66, -216, 459, -648, 594, -323, 79, 0, 1, -24, 276, -2015, 10437, -40614, 122662, -292883, 557782, -848056, 1022204, -960627, 682349, -346274, 112275, -17493, 0, 1, -40, 780, -9864, 90798, -647352, 3714180, -17590911, 69997383]