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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.

A036382 Odd split numbers: have a nontrivial factorization n=ab with a and b coprime, so that L(a) + L(b) <= L(n), where L(x) = A029837(x) = ceiling(log_2(x)).

Table of values

n a(n)
1 21
2 33
3 35
4 39
5 65
6 69
7 75
8 77
9 87
10 91
11 93
12 105
13 129
14 133
15 135
16 141
17 143
18 145
19 147
20 155
21 159
22 161
23 165
24 175
25 177
26 183
27 189
28 195
29 203
30 217
31 259
32 261
33 265
34 267
35 273
36 275
37 279
38 285
39 287
40 291
41 295
42 297
43 299
44 301
45 303
46 305
47 309
48 315
49 319
50 321
51 325
52 327
53 329
54 339

List of values

[21, 33, 35, 39, 65, 69, 75, 77, 87, 91, 93, 105, 129, 133, 135, 141, 143, 145, 147, 155, 159, 161, 165, 175, 177, 183, 189, 195, 203, 217, 259, 261, 265, 267, 273, 275, 279, 285, 287, 291, 295, 297, 299, 301, 303, 305, 309, 315, 319, 321, 325, 327, 329, 339]

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

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