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.

A213620 Triangle read by rows, coefficients of the Euler polynomials E_{n}(x) times A006519(n+1) in descending order of powers.

Table of values

n a(n)
0 1
1 2
2 -1
3 1
4 -1
5 0
6 4
7 -6
8 0
9 1
10 1
11 -2
12 0
13 1
14 0
15 2
16 -5
17 0
18 5
19 0
20 -1
21 1
22 -3
23 0
24 5
25 0
26 -3
27 0
28 8
29 -28
30 0
31 70
32 0
33 -84
34 0
35 17
36 1
37 -4
38 0
39 14
40 0
41 -28
42 0
43 17
44 0
45 2
46 -9
47 0
48 42
49 0
50 -126
51 0
52 153
53 0
54 -31
55 1
56 -5
57 0
58 30
59 0
60 -126
61 0
62 255
63 0
64 -155
65 0
66 4
67 -22
68 0
69 165
70 0
71 -924

List of values

[1, 2, -1, 1, -1, 0, 4, -6, 0, 1, 1, -2, 0, 1, 0, 2, -5, 0, 5, 0, -1, 1, -3, 0, 5, 0, -3, 0, 8, -28, 0, 70, 0, -84, 0, 17, 1, -4, 0, 14, 0, -28, 0, 17, 0, 2, -9, 0, 42, 0, -126, 0, 153, 0, -31, 1, -5, 0, 30, 0, -126, 0, 255, 0, -155, 0, 4, -22, 0, 165, 0, -924]