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.

A046489 Sum of the first n palindromes (A002113).

Table of values

n a(n)
0 1
1 3
2 6
3 10
4 15
5 21
6 28
7 36
8 45
9 56
10 78
11 111
12 155
13 210
14 276
15 353
16 441
17 540
18 641
19 752
20 873
21 1004
22 1145
23 1296
24 1457
25 1628
26 1809
27 2000
28 2202
29 2414
30 2636
31 2868
32 3110
33 3362
34 3624
35 3896
36 4178
37 4470
38 4773
39 5086
40 5409
41 5742
42 6085
43 6438
44 6801
45 7174
46 7557
47 7950
48 8354

List of values

[1, 3, 6, 10, 15, 21, 28, 36, 45, 56, 78, 111, 155, 210, 276, 353, 441, 540, 641, 752, 873, 1004, 1145, 1296, 1457, 1628, 1809, 2000, 2202, 2414, 2636, 2868, 3110, 3362, 3624, 3896, 4178, 4470, 4773, 5086, 5409, 5742, 6085, 6438, 6801, 7174, 7557, 7950, 8354]