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.

A277209 Partial sums of repdigit numbers (A010785).

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 56
11 78
12 111
13 155
14 210
15 276
16 353
17 441
18 540
19 651
20 873
21 1206
22 1650
23 2205
24 2871
25 3648
26 4536
27 5535
28 6646
29 8868
30 12201
31 16645
32 22200
33 28866
34 36643
35 45531
36 55530
37 66641
38 88863
39 122196
40 166640
41 222195
42 288861
43 366638
44 455526
45 555525
46 666636
47 888858
48 1222191
49 1666635
50 2222190

List of values

[0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 56, 78, 111, 155, 210, 276, 353, 441, 540, 651, 873, 1206, 1650, 2205, 2871, 3648, 4536, 5535, 6646, 8868, 12201, 16645, 22200, 28866, 36643, 45531, 55530, 66641, 88863, 122196, 166640, 222195, 288861, 366638, 455526, 555525, 666636, 888858, 1222191, 1666635, 2222190]