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.

A209388 Product of positive odd integers smaller than n and relatively prime to n.

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 3
6 5
7 15
8 105
9 35
10 189
11 945
12 385
13 10395
14 19305
15 1001
16 2027025
17 2027025
18 85085
19 34459425
20 8729721
21 230945
22 1249937325
23 13749310575
24 37182145
25 4216455243
26 608142583125
27 929553625
28 1452095555625
29 213458046676875
30 215656441
31 6190283353629375

List of values

[1, 1, 1, 3, 3, 5, 15, 105, 35, 189, 945, 385, 10395, 19305, 1001, 2027025, 2027025, 85085, 34459425, 8729721, 230945, 1249937325, 13749310575, 37182145, 4216455243, 608142583125, 929553625, 1452095555625, 213458046676875, 215656441, 6190283353629375]

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

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