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.

A236834 Numbers that do not occur as results of "downward" remultiplication (N -> GF(2)[X]) of any number; numbers not present in A234741.

Table of values

n a(n)
1 25
2 50
3 55
4 87
5 91
6 100
7 110
8 115
9 117
10 133
11 143
12 145
13 159
14 171
15 174
16 182
17 185
18 200
19 203
20 213
21 220
22 230
23 234
24 237
25 247
26 249
27 253
28 266
29 267
30 279
31 285
32 286
33 290
34 299
35 301
36 318
37 319
38 321
39 333
40 339
41 342
42 345
43 348
44 351
45 355
46 357
47 361
48 364
49 369
50 370
51 375
52 385
53 391
54 395
55 400

List of values

[25, 50, 55, 87, 91, 100, 110, 115, 117, 133, 143, 145, 159, 171, 174, 182, 185, 200, 203, 213, 220, 230, 234, 237, 247, 249, 253, 266, 267, 279, 285, 286, 290, 299, 301, 318, 319, 321, 333, 339, 342, 345, 348, 351, 355, 357, 361, 364, 369, 370, 375, 385, 391, 395, 400]

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

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