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.

A257904 Sequence (d(n)) generated by Algorithm (in Comments) with a(1) = 0 and d(1) = 2.

Table of values

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

List of values

[3, 1, 2, -1, 4, -2, 5, -4, 6, -3, 7, -8, 9, -6, 8, -5, 10, -11, 12, -10, 11, 13, -21, 14, -12, 15, -14, 16, -15, 18, -17, 19, -13, 17, -19, 20, -16, 21, -24, 22, -20, 23, -9, 24, -35, 25, -22, 26, -28, 27, -23, 28, -25, 29, -27, 30, -18, -7, 31, -34, 32, -26]