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.

A350004 Iterated differences of ludic numbers. Array read by antidiagonals, n >= 0, k >= 1: T(0,k) = A003309(k), T(n,k) = T(n-1,k+1)-T(n-1,k) for n > 0.

Table of values

n a(n)
0 1
1 2
2 1
3 3
4 1
5 0
6 5
7 2
8 1
9 1
10 7
11 2
12 0
13 -1
14 -2
15 11
16 4
17 2
18 2
19 3
20 5
21 13
22 2
23 -2
24 -4
25 -6
26 -9
27 -14
28 17
29 4
30 2
31 4
32 8
33 14
34 23
35 37
36 23
37 6
38 2
39 0
40 -4
41 -12
42 -26
43 -49
44 -86
45 25
46 2
47 -4
48 -6
49 -6
50 -2
51 10
52 36
53 85
54 171
55 29
56 4
57 2
58 6
59 12
60 18
61 20
62 10
63 -26
64 -111
65 -282

List of values

[1, 2, 1, 3, 1, 0, 5, 2, 1, 1, 7, 2, 0, -1, -2, 11, 4, 2, 2, 3, 5, 13, 2, -2, -4, -6, -9, -14, 17, 4, 2, 4, 8, 14, 23, 37, 23, 6, 2, 0, -4, -12, -26, -49, -86, 25, 2, -4, -6, -6, -2, 10, 36, 85, 171, 29, 4, 2, 6, 12, 18, 20, 10, -26, -111, -282]