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.

A290693 Triangle read by rows, coefficients of the polynomials P(n, x) = A135517(n) *(Euler(n, x) - Euler(n, 1)).

Table of values

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

List of values

[0, -1, 1, 0, -1, 1, 1, 0, -3, 2, 0, 1, 0, -2, 1, -2, 0, 5, 0, -5, 2, 0, -3, 0, 5, 0, -3, 1, 17, 0, -42, 0, 35, 0, -14, 4, 0, 17, 0, -28, 0, 14, 0, -4, 1, -62, 0, 153, 0, -126, 0, 42, 0, -9, 2, 0, -155, 0, 255, 0, -126, 0, 30, 0, -5, 1]