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.

A275447 Sum of the asymmetry degrees of all compositions of n with parts in {2,1,3,5,7,9,...}.

Table of values

n a(n)
0 0
1 0
2 0
3 2
4 4
5 10
6 24
7 54
8 120
9 258
10 552
11 1164
12 2432
13 5042
14 10384
15 21268
16 43344
17 87962
18 177840
19 358358
20 719964
21 1442584
22 2883504
23 5751020
24 11447164
25 22743262
26 45110096
27 89334192
28 176658732
29 348875904
30 688122336
31 1355674528
32 2667921660
33 5245033102

List of values

[0, 0, 0, 2, 4, 10, 24, 54, 120, 258, 552, 1164, 2432, 5042, 10384, 21268, 43344, 87962, 177840, 358358, 719964, 1442584, 2883504, 5751020, 11447164, 22743262, 45110096, 89334192, 176658732, 348875904, 688122336, 1355674528, 2667921660, 5245033102]