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.

A268291 a(n) = Sum_{k = 0..n} (k mod 13).

Table of values

n a(n)
0 0
1 1
2 3
3 6
4 10
5 15
6 21
7 28
8 36
9 45
10 55
11 66
12 78
13 78
14 79
15 81
16 84
17 88
18 93
19 99
20 106
21 114
22 123
23 133
24 144
25 156
26 156
27 157
28 159
29 162
30 166
31 171
32 177
33 184
34 192
35 201
36 211
37 222
38 234
39 234
40 235
41 237
42 240
43 244
44 249
45 255
46 262
47 270
48 279
49 289
50 300
51 312
52 312
53 313
54 315
55 318
56 322
57 327
58 333
59 340
60 348

List of values

[0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 78, 79, 81, 84, 88, 93, 99, 106, 114, 123, 133, 144, 156, 156, 157, 159, 162, 166, 171, 177, 184, 192, 201, 211, 222, 234, 234, 235, 237, 240, 244, 249, 255, 262, 270, 279, 289, 300, 312, 312, 313, 315, 318, 322, 327, 333, 340, 348]

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

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