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.

A275419 Representable integers n that are not the inverse of their inverse in binary64 (double precision) IEEE 754 floating-point arithmetic (Version where n and 1/(1/n) are unequal).

Table of values

n a(n)
1 49
2 93
3 98
4 99
5 103
6 105
7 107
8 117
9 123
10 186
11 196
12 197
13 198
14 206
15 210
16 211
17 214
18 221
19 227
20 234
21 237
22 239
23 243
24 245
25 246
26 249
27 253
28 372
29 391
30 392
31 393
32 394
33 396
34 412
35 415
36 417
37 420
38 422
39 425
40 428
41 442
42 443
43 445
44 454
45 459
46 468
47 474
48 478
49 479
50 483
51 486
52 489
53 490
54 491
55 492
56 497
57 498
58 499
59 501

List of values

[49, 93, 98, 99, 103, 105, 107, 117, 123, 186, 196, 197, 198, 206, 210, 211, 214, 221, 227, 234, 237, 239, 243, 245, 246, 249, 253, 372, 391, 392, 393, 394, 396, 412, 415, 417, 420, 422, 425, 428, 442, 443, 445, 454, 459, 468, 474, 478, 479, 483, 486, 489, 490, 491, 492, 497, 498, 499, 501]

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

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