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.

A231503 a(n) = Sum_{i=0..n} digsum_3(i)^2, where digsum_3(i) = A053735(i).

Table of values

n a(n)
0 0
1 1
2 5
3 6
4 10
5 19
6 23
7 32
8 48
9 49
10 53
11 62
12 66
13 75
14 91
15 100
16 116
17 141
18 145
19 154
20 170
21 179
22 195
23 220
24 236
25 261
26 297
27 298
28 302
29 311
30 315
31 324
32 340
33 349
34 365
35 390
36 394
37 403
38 419
39 428
40 444
41 469
42 485
43 510
44 546
45 555
46 571
47 596
48 612
49 637
50 673
51 698
52 734
53 783
54 787
55 796
56 812
57 821
58 837
59 862
60 878
61 903
62 939
63 948
64 964
65 989
66 1005
67 1030
68 1066
69 1091
70 1127
71 1176
72 1192
73 1217
74 1253
75 1278

List of values

[0, 1, 5, 6, 10, 19, 23, 32, 48, 49, 53, 62, 66, 75, 91, 100, 116, 141, 145, 154, 170, 179, 195, 220, 236, 261, 297, 298, 302, 311, 315, 324, 340, 349, 365, 390, 394, 403, 419, 428, 444, 469, 485, 510, 546, 555, 571, 596, 612, 637, 673, 698, 734, 783, 787, 796, 812, 821, 837, 862, 878, 903, 939, 948, 964, 989, 1005, 1030, 1066, 1091, 1127, 1176, 1192, 1217, 1253, 1278]