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.

A163590 Odd part of the swinging factorial A056040.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 3
5 15
6 5
7 35
8 35
9 315
10 63
11 693
12 231
13 3003
14 429
15 6435
16 6435
17 109395
18 12155
19 230945
20 46189
21 969969
22 88179
23 2028117
24 676039
25 16900975
26 1300075
27 35102025
28 5014575
29 145422675
30 9694845
31 300540195
32 300540195
33 9917826435
34 583401555
35 20419054425
36 2268783825

List of values

[1, 1, 1, 3, 3, 15, 5, 35, 35, 315, 63, 693, 231, 3003, 429, 6435, 6435, 109395, 12155, 230945, 46189, 969969, 88179, 2028117, 676039, 16900975, 1300075, 35102025, 5014575, 145422675, 9694845, 300540195, 300540195, 9917826435, 583401555, 20419054425, 2268783825]