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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.

A208157 9-Knödel numbers.

Table of values

n a(n)
1 21
2 27
3 45
4 63
5 99
6 105
7 117
8 153
9 171
10 189
11 207
12 261
13 273
14 279
15 333
16 369
17 387
18 423
19 429
20 477
21 513
22 531
23 549
24 585
25 603
26 639
27 657
28 711
29 747
30 801
31 873
32 909
33 927
34 945
35 963
36 981
37 1017
38 1143
39 1179
40 1197
41 1209
42 1233
43 1251
44 1341
45 1359
46 1365
47 1413
48 1467
49 1503
50 1557

List of values

[21, 27, 45, 63, 99, 105, 117, 153, 171, 189, 207, 261, 273, 279, 333, 369, 387, 423, 429, 477, 513, 531, 549, 585, 603, 639, 657, 711, 747, 801, 873, 909, 927, 945, 963, 981, 1017, 1143, 1179, 1197, 1209, 1233, 1251, 1341, 1359, 1365, 1413, 1467, 1503, 1557]

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

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