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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.

A277323 Even bisection of A260443 (the odd terms): a(n) = A260443(2*n).

Table of values

n a(n)
0 1
1 3
2 5
3 15
4 7
5 75
6 35
7 105
8 11
9 525
10 245
11 2625
12 77
13 3675
14 385
15 1155
16 13
17 5775
18 2695
19 128625
20 847
21 643125
22 18865
23 202125
24 143
25 282975
26 29645
27 1414875
28 1001
29 444675
30 5005
31 15015
32 17
33 75075
34 35035
35 15563625
36 11011
37 346644375
38 2282665
39 108945375
40 1859
41 544726875
42 15978655
43 12132553125
44 121121
45 3813088125
46 2697695

List of values

[1, 3, 5, 15, 7, 75, 35, 105, 11, 525, 245, 2625, 77, 3675, 385, 1155, 13, 5775, 2695, 128625, 847, 643125, 18865, 202125, 143, 282975, 29645, 1414875, 1001, 444675, 5005, 15015, 17, 75075, 35035, 15563625, 11011, 346644375, 2282665, 108945375, 1859, 544726875, 15978655, 12132553125, 121121, 3813088125, 2697695]

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