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.

A051721 Denominators of column 3 of table described in A051714/A051715.

Table of values

n a(n)
0 4
1 5
2 15
3 35
4 105
5 105
6 105
7 165
8 165
9 455
10 15015
11 1365
12 1365
13 255
14 255
15 11305
16 33915
17 21945
18 21945
19 345
20 3795
21 10465
22 31395
23 1365
24 1365
25 435
26 435
27 346115
28 1038345
29 55335
30 608685
31 255
32 255
33 319865
34 959595
35 959595
36 959595
37 6765
38 6765
39 61705

List of values

[4, 5, 15, 35, 105, 105, 105, 165, 165, 455, 15015, 1365, 1365, 255, 255, 11305, 33915, 21945, 21945, 345, 3795, 10465, 31395, 1365, 1365, 435, 435, 346115, 1038345, 55335, 608685, 255, 255, 319865, 959595, 959595, 959595, 6765, 6765, 61705]

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

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