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.

A357728 Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cos( sqrt(k) * (exp(x) - 1) ).

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 0
5 0
6 1
7 0
8 -1
9 0
10 1
11 0
12 -2
13 -3
14 0
15 1
16 0
17 -3
18 -6
19 -6
20 0
21 1
22 0
23 -4
24 -9
25 -10
26 -5
27 0
28 1
29 0
30 -5
31 -12
32 -12
33 10
34 33
35 0
36 1
37 0
38 -6
39 -15
40 -12
41 45
42 190
43 266
44 0
45 1
46 0
47 -7
48 -18
49 -10
50 100
51 465
52 1106
53 1309
54 0
55 1
56 0
57 -8
58 -21
59 -6
60 175
61 852
62 2394
63 4438
64 4905
65 0
66 1
67 0
68 -9
69 -24
70 0
71 270
72 1345
73 4004
74 7827
75 9978
76 11516
77 0

List of values

[1, 1, 0, 1, 0, 0, 1, 0, -1, 0, 1, 0, -2, -3, 0, 1, 0, -3, -6, -6, 0, 1, 0, -4, -9, -10, -5, 0, 1, 0, -5, -12, -12, 10, 33, 0, 1, 0, -6, -15, -12, 45, 190, 266, 0, 1, 0, -7, -18, -10, 100, 465, 1106, 1309, 0, 1, 0, -8, -21, -6, 175, 852, 2394, 4438, 4905, 0, 1, 0, -9, -24, 0, 270, 1345, 4004, 7827, 9978, 11516, 0]