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.

A357775 Numbers k with the property that the symmetric representation of sigma(k) has seven parts.

Table of values

n a(n)
1 357
2 399
3 441
4 483
5 513
6 567
7 609
8 621
9 651
10 729
11 759
12 777
13 783
14 837
15 861
16 891
17 957
18 999
19 1023
20 1053
21 1089
22 1107
23 1131
24 1161
25 1209
26 1221
27 1269
28 1287
29 1323
30 1353
31 1419
32 1431
33 1443
34 1521
35 1551
36 1595
37 1599
38 1677
39 1705
40 1749
41 1815
42 1833
43 1887
44 1947
45 1989
46 2013
47 2035
48 2067
49 2091
50 2145
51 2193
52 2223
53 2255

List of values

[357, 399, 441, 483, 513, 567, 609, 621, 651, 729, 759, 777, 783, 837, 861, 891, 957, 999, 1023, 1053, 1089, 1107, 1131, 1161, 1209, 1221, 1269, 1287, 1323, 1353, 1419, 1431, 1443, 1521, 1551, 1595, 1599, 1677, 1705, 1749, 1815, 1833, 1887, 1947, 1989, 2013, 2035, 2067, 2091, 2145, 2193, 2223, 2255]