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.

A110703 Numbers S with two neighboring run sums (sum of positive integer runs) S = a+(a+1)+..+b=(b+1)+(b+2)...+c, 0

Table of values

n a(n)
1 3
2 15
3 27
4 30
5 42
6 75
7 90
8 105
9 135
10 147
11 165
12 243
13 252
14 270
15 273
16 315
17 363
18 375
19 378
20 420
21 462
22 495
23 507
24 612
25 660
26 675
27 693
28 735
29 750
30 780
31 810
32 855
33 858
34 867
35 945
36 1050
37 1083
38 1155
39 1170
40 1215
41 1287
42 1323
43 1365
44 1470
45 1485
46 1518
47 1587
48 1785
49 1815
50 1875
51 1950

List of values

[3, 15, 27, 30, 42, 75, 90, 105, 135, 147, 165, 243, 252, 270, 273, 315, 363, 375, 378, 420, 462, 495, 507, 612, 660, 675, 693, 735, 750, 780, 810, 855, 858, 867, 945, 1050, 1083, 1155, 1170, 1215, 1287, 1323, 1365, 1470, 1485, 1518, 1587, 1785, 1815, 1875, 1950]