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.

A285864 Triangle read by rows: a(n,m) = numerator(binomial(n,m)*2^(n-m)*B(n-m)) with B(k) the Bernoulli numbers A027641(k)/A027642(k).

Table of values

n a(n)
0 1
1 -1
2 1
3 2
4 -2
5 1
6 0
7 2
8 -3
9 1
10 -8
11 0
12 4
13 -4
14 1
15 0
16 -8
17 0
18 20
19 -5
20 1
21 32
22 0
23 -8
24 0
25 10
26 -6
27 1
28 0
29 32
30 0
31 -56
32 0
33 14
34 -7
35 1
36 -128
37 0
38 128
39 0
40 -112
41 0
42 56
43 -8
44 1
45 0
46 -384
47 0
48 128
49 0
50 -336
51 0
52 24
53 -9
54 1
55 2560
56 0
57 -384
58 0
59 320
60 0
61 -112
62 0
63 30
64 -10
65 1

List of values

[1, -1, 1, 2, -2, 1, 0, 2, -3, 1, -8, 0, 4, -4, 1, 0, -8, 0, 20, -5, 1, 32, 0, -8, 0, 10, -6, 1, 0, 32, 0, -56, 0, 14, -7, 1, -128, 0, 128, 0, -112, 0, 56, -8, 1, 0, -384, 0, 128, 0, -336, 0, 24, -9, 1, 2560, 0, -384, 0, 320, 0, -112, 0, 30, -10, 1]