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.

A227577 Square array read by antidiagonals, A(n,k) the numerators of the elements of the difference table of the Euler polynomials evaluated at x=1, for n>=0, k>=0.

Table of values

n a(n)
0 1
1 -1
2 1
3 0
4 -1
5 0
6 1
7 1
8 -1
9 -1
10 0
11 1
12 1
13 1
14 0
15 -1
16 -1
17 -1
18 1
19 1
20 1
21 0
22 -1
23 -1
24 -5
25 -1
26 -1
27 0
28 17
29 17
30 13
31 5
32 -5
33 -13
34 -17
35 -17
36 0
37 17
38 17
39 47
40 13
41 47
42 17
43 17
44 0
45 -31
46 -31
47 -107
48 -73
49 -13
50 13
51 73
52 107
53 31
54 31
55 0
56 -31
57 -31
58 -355

List of values

[1, -1, 1, 0, -1, 0, 1, 1, -1, -1, 0, 1, 1, 1, 0, -1, -1, -1, 1, 1, 1, 0, -1, -1, -5, -1, -1, 0, 17, 17, 13, 5, -5, -13, -17, -17, 0, 17, 17, 47, 13, 47, 17, 17, 0, -31, -31, -107, -73, -13, 13, 73, 107, 31, 31, 0, -31, -31, -355]