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.

A098434 Triangle read by rows: coefficients of Genocchi polynomials G(n,x); n times the Euler polynomials.

Table of values

n a(n)
1 1
2 2
3 -1
4 3
5 -3
6 0
7 4
8 -6
9 0
10 1
11 5
12 -10
13 0
14 5
15 0
16 6
17 -15
18 0
19 15
20 0
21 -3
22 7
23 -21
24 0
25 35
26 0
27 -21
28 0
29 8
30 -28
31 0
32 70
33 0
34 -84
35 0
36 17
37 9
38 -36
39 0
40 126
41 0
42 -252
43 0
44 153
45 0
46 10
47 -45
48 0
49 210
50 0
51 -630
52 0
53 765
54 0
55 -155
56 11
57 -55
58 0
59 330
60 0
61 -1386
62 0
63 2805
64 0
65 -1705
66 0
67 12
68 -66
69 0
70 495

List of values

[1, 2, -1, 3, -3, 0, 4, -6, 0, 1, 5, -10, 0, 5, 0, 6, -15, 0, 15, 0, -3, 7, -21, 0, 35, 0, -21, 0, 8, -28, 0, 70, 0, -84, 0, 17, 9, -36, 0, 126, 0, -252, 0, 153, 0, 10, -45, 0, 210, 0, -630, 0, 765, 0, -155, 11, -55, 0, 330, 0, -1386, 0, 2805, 0, -1705, 0, 12, -66, 0, 495]