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.

A357706 Numbers k such that the k-th composition in standard order has half-alternating sum and skew-alternating sum both 0.

Table of values

n a(n)
1 0
2 15
3 45
4 54
5 59
6 153
7 170
8 179
9 204
10 213
11 230
12 235
13 247
14 255
15 561
16 594
17 611
18 660
19 677
20 710
21 715
22 727
23 735
24 750
25 765
26 792
27 809
28 842
29 851
30 871
31 879
32 894
33 908
34 917
35 934
36 939
37 951
38 959
39 973
40 982
41 987
42 1005
43 1014
44 1019

List of values

[0, 15, 45, 54, 59, 153, 170, 179, 204, 213, 230, 235, 247, 255, 561, 594, 611, 660, 677, 710, 715, 727, 735, 750, 765, 792, 809, 842, 851, 871, 879, 894, 908, 917, 934, 939, 951, 959, 973, 982, 987, 1005, 1014, 1019]