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.

A172306 a(n) = A172304(n)/2.

Table of values

n a(n)
0 0
1 1
2 3
3 7
4 11
5 15
6 23
7 31
8 35
9 43
10 55
11 67
12 83
13 95
14 119
15 139
16 151
17 159
18 171
19 191
20 215
21 235
22 263
23 291
24 323
25 355
26 391
27 419
28 451
29 475
30 515
31 559
32 575
33 591
34 623
35 659
36 691
37 711
38 743
39 783
40 831
41 883
42 955
43 1003
44 1067
45 1127
46 1207
47 1263
48 1311
49 1351
50 1415
51 1479
52 1551
53 1595
54 1663
55 1727
56 1795
57 1867
58 1951
59 2035
60 2143
61 2223
62 2319
63 2403
64 2435
65 2475
66 2539
67 2587

List of values

[0, 1, 3, 7, 11, 15, 23, 31, 35, 43, 55, 67, 83, 95, 119, 139, 151, 159, 171, 191, 215, 235, 263, 291, 323, 355, 391, 419, 451, 475, 515, 559, 575, 591, 623, 659, 691, 711, 743, 783, 831, 883, 955, 1003, 1067, 1127, 1207, 1263, 1311, 1351, 1415, 1479, 1551, 1595, 1663, 1727, 1795, 1867, 1951, 2035, 2143, 2223, 2319, 2403, 2435, 2475, 2539, 2587]