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.

A211821 Numbers with all divisors with additive digital root of 1.

Table of values

n a(n)
1 1
2 19
3 37
4 73
5 109
6 127
7 163
8 181
9 199
10 271
11 307
12 361
13 379
14 397
15 433
16 487
17 523
18 541
19 577
20 613
21 631
22 703
23 739
24 757
25 811
26 829
27 883
28 919
29 937
30 991
31 1009
32 1063
33 1117
34 1153
35 1171
36 1279
37 1297
38 1369
39 1387
40 1423
41 1459
42 1531
43 1549
44 1567
45 1621
46 1657
47 1693
48 1747
49 1783

List of values

[1, 19, 37, 73, 109, 127, 163, 181, 199, 271, 307, 361, 379, 397, 433, 487, 523, 541, 577, 613, 631, 703, 739, 757, 811, 829, 883, 919, 937, 991, 1009, 1063, 1117, 1153, 1171, 1279, 1297, 1369, 1387, 1423, 1459, 1531, 1549, 1567, 1621, 1657, 1693, 1747, 1783]

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

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