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.

A369950 Triangle read by rows: T(n,k) = number of j-covers of [n] with j<=k, k=1..2^n-1.

Table of values

n a(n)
1 1
2 1
3 4
4 5
5 1
6 13
7 45
8 80
9 101
10 108
11 109
12 1
13 40
14 361
15 1586
16 4505
17 9482
18 15913
19 22348
20 27353
21 30356
22 31721
23 32176
24 32281
25 32296
26 32297
27 1
28 121
29 2681
30 27671
31 182777
32 894103
33 3491513
34 11348063
35 31483113
36 75820263
37 160485753
38 301604003

List of values

[1, 1, 4, 5, 1, 13, 45, 80, 101, 108, 109, 1, 40, 361, 1586, 4505, 9482, 15913, 22348, 27353, 30356, 31721, 32176, 32281, 32296, 32297, 1, 121, 2681, 27671, 182777, 894103, 3491513, 11348063, 31483113, 75820263, 160485753, 301604003]