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.

A094551 Numbers k such that there are integers a < b with a+(a+1)+...+(k-1) = k+(k+1)+...+b.

Table of values

n a(n)
1 3
2 7
3 8
4 9
5 13
6 15
7 18
8 19
9 20
10 21
11 23
12 26
13 27
14 28
15 31
16 33
17 37
18 38
19 43
20 44
21 45
22 46
23 48
24 49
25 51
26 53
27 55
28 56
29 57
30 58
31 59
32 60
33 62
34 63
35 68
36 69
37 72
38 73
39 75
40 77
41 78
42 79
43 80
44 83
45 85
46 87
47 88
48 91
49 92
50 93
51 94
52 97
53 98
54 99
55 102
56 103
57 108
58 110
59 111
60 113
61 115
62 117
63 118
64 121
65 123
66 124
67 128

List of values

[3, 7, 8, 9, 13, 15, 18, 19, 20, 21, 23, 26, 27, 28, 31, 33, 37, 38, 43, 44, 45, 46, 48, 49, 51, 53, 55, 56, 57, 58, 59, 60, 62, 63, 68, 69, 72, 73, 75, 77, 78, 79, 80, 83, 85, 87, 88, 91, 92, 93, 94, 97, 98, 99, 102, 103, 108, 110, 111, 113, 115, 117, 118, 121, 123, 124, 128]

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

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