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.

A140876 Triangle T(n,k) = A053120(n+2,k)-2*A053120(n+1,k)+A053120(n,k) read by rows, 0<=k

Table of values

n a(n)
1 2
2 0
3 6
4 -2
5 2
6 16
7 0
8 -10
9 10
10 40
11 2
12 -2
13 -36
14 36
15 96
16 0
17 14
18 -14
19 -112
20 112
21 224
22 -2
23 2
24 64
25 -64
26 -320
27 320
28 512
29 0
30 -18
31 18
32 240
33 -240
34 -864
35 864
36 1152
37 2
38 -2
39 -100
40 100
41 800
42 -800
43 -2240
44 2240
45 2560
46 0
47 22
48 -22
49 -440
50 440
51 2464
52 -2464
53 -5632
54 5632
55 5632
56 -2
57 2
58 144
59 -144
60 -1680
61 1680
62 7168
63 -7168
64 -13824
65 13824

List of values

[2, 0, 6, -2, 2, 16, 0, -10, 10, 40, 2, -2, -36, 36, 96, 0, 14, -14, -112, 112, 224, -2, 2, 64, -64, -320, 320, 512, 0, -18, 18, 240, -240, -864, 864, 1152, 2, -2, -100, 100, 800, -800, -2240, 2240, 2560, 0, 22, -22, -440, 440, 2464, -2464, -5632, 5632, 5632, -2, 2, 144, -144, -1680, 1680, 7168, -7168, -13824, 13824]