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.

A326071 Numbers k such that A325977(k) has a different sign as A325978(k).

Table of values

n a(n)
1 1
2 4
3 9
4 12
5 18
6 24
7 25
8 27
9 45
10 49
11 50
12 60
13 63
14 75
15 81
16 84
17 90
18 98
19 99
20 117
21 120
22 121
23 125
24 126
25 132
26 140
27 147
28 150
29 153
30 156
31 168
32 169
33 171
34 175
35 180
36 198
37 204
38 207
39 228
40 234
41 240
42 242
43 243
44 245
45 261
46 264
47 270
48 275
49 276
50 279
51 280
52 289
53 294
54 297
55 306
56 312
57 325
58 333
59 338
60 342
61 343
62 348
63 350
64 351
65 361
66 363
67 369
68 372

List of values

[1, 4, 9, 12, 18, 24, 25, 27, 45, 49, 50, 60, 63, 75, 81, 84, 90, 98, 99, 117, 120, 121, 125, 126, 132, 140, 147, 150, 153, 156, 168, 169, 171, 175, 180, 198, 204, 207, 228, 234, 240, 242, 243, 245, 261, 264, 270, 275, 276, 279, 280, 289, 294, 297, 306, 312, 325, 333, 338, 342, 343, 348, 350, 351, 361, 363, 369, 372]

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

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