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.

A257918 Sequence (d(n)) generated by Rule 1 (in Comments) with a(1) = 2 and d(1) = 2.

Table of values

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

List of values

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

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.