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.

A032841 Numbers whose base-3 representation Sum_{i=0..m} d(i)*3^i has d(m) < d(m-1) > d(m-2) < ...

Table of values

n a(n)
1 1
2 2
3 5
4 15
5 16
6 46
7 47
8 50
9 138
10 141
11 142
12 150
13 151
14 415
15 416
16 424
17 425
18 428
19 451
20 452
21 455
22 1245
23 1248
24 1249
25 1272
26 1275
27 1276
28 1284
29 1285
30 1353
31 1356
32 1357
33 1365
34 1366
35 3736
36 3737
37 3745
38 3746
39 3749
40 3817
41 3818
42 3826
43 3827

List of values

[1, 2, 5, 15, 16, 46, 47, 50, 138, 141, 142, 150, 151, 415, 416, 424, 425, 428, 451, 452, 455, 1245, 1248, 1249, 1272, 1275, 1276, 1284, 1285, 1353, 1356, 1357, 1365, 1366, 3736, 3737, 3745, 3746, 3749, 3817, 3818, 3826, 3827]

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

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