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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.

A231675 a(n) = Sum_{i=0..n} digsum_6(i)^4, where digsum_6(i) = A053827(i).

Table of values

n a(n)
0 0
1 1
2 17
3 98
4 354
5 979
6 980
7 996
8 1077
9 1333
10 1958
11 3254
12 3270
13 3351
14 3607
15 4232
16 5528
17 7929
18 8010
19 8266
20 8891
21 10187
22 12588
23 16684
24 16940
25 17565
26 18861
27 21262
28 25358
29 31919
30 32544
31 33840
32 36241
33 40337
34 46898
35 56898
36 56899
37 56915
38 56996
39 57252
40 57877
41 59173
42 59189
43 59270
44 59526
45 60151
46 61447
47 63848
48 63929
49 64185
50 64810
51 66106
52 68507
53 72603
54 72859
55 73484
56 74780
57 77181

List of values

[0, 1, 17, 98, 354, 979, 980, 996, 1077, 1333, 1958, 3254, 3270, 3351, 3607, 4232, 5528, 7929, 8010, 8266, 8891, 10187, 12588, 16684, 16940, 17565, 18861, 21262, 25358, 31919, 32544, 33840, 36241, 40337, 46898, 56898, 56899, 56915, 56996, 57252, 57877, 59173, 59189, 59270, 59526, 60151, 61447, 63848, 63929, 64185, 64810, 66106, 68507, 72603, 72859, 73484, 74780, 77181]

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