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.

A365857 Number of cyclic compositions of 2*n into odd parts.

Table of values

n a(n)
1 1
2 2
3 4
4 7
5 14
6 30
7 63
8 142
9 328
10 765
11 1810
12 4340
13 10461
14 25414
15 62074
16 152287
17 375166
18 927554
19 2300347
20 5721044
21 14264308
22 35646311
23 89264834
24 223959710
25 562878429
26 1416953362
27 3572233420
28 9018211989
29 22795835726
30 57690911720
31 146164582455
32 370705552702
33 941109975022
34 2391391374017
35 6081865318124

List of values

[1, 2, 4, 7, 14, 30, 63, 142, 328, 765, 1810, 4340, 10461, 25414, 62074, 152287, 375166, 927554, 2300347, 5721044, 14264308, 35646311, 89264834, 223959710, 562878429, 1416953362, 3572233420, 9018211989, 22795835726, 57690911720, 146164582455, 370705552702, 941109975022, 2391391374017, 6081865318124]

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

Content is available under The OEIS End-User License Agreement.