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.

A118435 Triangle T, read by rows, equal to the matrix product T = H*[C^-1]*H, where H is the self-inverse triangle A118433 and C is Pascal's triangle.

Table of values

n a(n)
0 1
1 1
2 1
3 -3
4 2
5 1
6 -11
7 15
8 3
9 1
10 25
11 -44
12 -18
13 4
14 1
15 41
16 -115
17 -110
18 50
19 5
20 1
21 -43
22 246
23 375
24 -220
25 -45
26 6
27 1
28 29
29 315
30 861
31 -805
32 -385
33 105
34 7
35 1
36 -335
37 232
38 -1204
39 2296
40 1750
41 -616
42 -84
43 8
44 1
45 -1199
46 3033
47 1044
48 3780
49 5166
50 -2898
51 -924
52 180
53 9
54 1

List of values

[1, 1, 1, -3, 2, 1, -11, 15, 3, 1, 25, -44, -18, 4, 1, 41, -115, -110, 50, 5, 1, -43, 246, 375, -220, -45, 6, 1, 29, 315, 861, -805, -385, 105, 7, 1, -335, 232, -1204, 2296, 1750, -616, -84, 8, 1, -1199, 3033, 1044, 3780, 5166, -2898, -924, 180, 9, 1]