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.

A138197 Array read by antidiagonals: T(n,k) = T(n-1,k) + T(n,k+1) - T(n,k+2).

Table of values

n a(n)
1 2
2 3
3 0
4 5
5 1
6 0
7 7
8 1
9 -3
10 -2
11 11
12 5
13 -1
14 -5
15 -2
16 13
17 7
18 1
19 -5
20 -5
21 14
22 17
23 11
24 5
25 -5
26 -21
27 -27
28 24
29 19
30 13
31 11
32 11
33 1
34 -37
35 -91
36 -54
37 23
38 13
39 5
40 5
41 17
42 27
43 -13
44 -153
45 -294
46 29
47 21
48 11
49 -1
50 -9
51 3
52 49
53 87
54 -57
55 -588
56 31
57 23
58 17
59 13
60 5
61 -19
62 -51
63 -9
64 237
65 527
66 -156
67 37
68 27
69 15
70 7
71 15
72 35
73 7
74 -159
75 -347
76 95
77 1871
78 3212
79 41
80 35
81 25
82 5
83 -15

List of values

[2, 3, 0, 5, 1, 0, 7, 1, -3, -2, 11, 5, -1, -5, -2, 13, 7, 1, -5, -5, 14, 17, 11, 5, -5, -21, -27, 24, 19, 13, 11, 11, 1, -37, -91, -54, 23, 13, 5, 5, 17, 27, -13, -153, -294, 29, 21, 11, -1, -9, 3, 49, 87, -57, -588, 31, 23, 17, 13, 5, -19, -51, -9, 237, 527, -156, 37, 27, 15, 7, 15, 35, 7, -159, -347, 95, 1871, 3212, 41, 35, 25, 5, -15]