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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.

A231683 a(n) = Sum_{i=0..n} digsum_8(i)^4, where digsum_8(i) = A053829(i).

Table of values

n a(n)
0 0
1 1
2 17
3 98
4 354
5 979
6 2275
7 4676
8 4677
9 4693
10 4774
11 5030
12 5655
13 6951
14 9352
15 13448
16 13464
17 13545
18 13801
19 14426
20 15722
21 18123
22 22219
23 28780
24 28861
25 29117
26 29742
27 31038
28 33439
29 37535
30 44096
31 54096
32 54352
33 54977
34 56273
35 58674
36 62770
37 69331
38 79331
39 93972
40 94597
41 95893
42 98294
43 102390
44 108951
45 118951
46 133592
47 154328
48 155624
49 158025
50 162121
51 168682
52 178682
53 193323
54 214059

List of values

[0, 1, 17, 98, 354, 979, 2275, 4676, 4677, 4693, 4774, 5030, 5655, 6951, 9352, 13448, 13464, 13545, 13801, 14426, 15722, 18123, 22219, 28780, 28861, 29117, 29742, 31038, 33439, 37535, 44096, 54096, 54352, 54977, 56273, 58674, 62770, 69331, 79331, 93972, 94597, 95893, 98294, 102390, 108951, 118951, 133592, 154328, 155624, 158025, 162121, 168682, 178682, 193323, 214059]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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