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.

A118236 Numbers that can be written as sums of at least two distinct but overlapping sets of consecutive numbers.

Table of values

n a(n)
1 9
2 15
3 18
4 21
5 30
6 35
7 42
8 45
9 50
10 55
11 60
12 63
13 65
14 70
15 75
16 77
17 81
18 84
19 90
20 91
21 99
22 105
23 108
24 117
25 119
26 126
27 132
28 133
29 135
30 140
31 143
32 147
33 150
34 153
35 154
36 156
37 162
38 165
39 171
40 175
41 180
42 187
43 189
44 195
45 196
46 198
47 207
48 209
49 210
50 216
51 220
52 221
53 225
54 231
55 234
56 245
57 247

List of values

[9, 15, 18, 21, 30, 35, 42, 45, 50, 55, 60, 63, 65, 70, 75, 77, 81, 84, 90, 91, 99, 105, 108, 117, 119, 126, 132, 133, 135, 140, 143, 147, 150, 153, 154, 156, 162, 165, 171, 175, 180, 187, 189, 195, 196, 198, 207, 209, 210, 216, 220, 221, 225, 231, 234, 245, 247]

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

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