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.

A123585 Triangle T(n,k), 0<=k<=n, given by [1, -1, 1, 0, 0, 0, 0, 0, ...] DELTA [1, 1, -1, 0, 0, 0, 0, 0, ...] where DELTA is the operator defined in A084938.

Table of values

n a(n)
0 1
1 1
2 1
3 0
4 2
5 2
6 -1
7 1
8 5
9 3
10 -1
11 -2
12 4
13 10
14 5
15 0
16 -4
17 -4
18 12
19 20
20 8
21 1
22 -2
23 -13
24 -4
25 31
26 38
27 13
28 1
29 3
30 -11
31 -33
32 3
33 73
34 71
35 21
36 0
37 6
38 6
39 -42
40 -74
41 34
42 162
43 130
44 34
45 -1
46 3
47 24
48 0
49 -130
50 -146
51 128
52 344
53 235
54 55
55 -1
56 -4
57 21
58 72
59 -50
60 -352

List of values

[1, 1, 1, 0, 2, 2, -1, 1, 5, 3, -1, -2, 4, 10, 5, 0, -4, -4, 12, 20, 8, 1, -2, -13, -4, 31, 38, 13, 1, 3, -11, -33, 3, 73, 71, 21, 0, 6, 6, -42, -74, 34, 162, 130, 34, -1, 3, 24, 0, -130, -146, 128, 344, 235, 55, -1, -4, 21, 72, -50, -352]