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.

A118022 Triangle T, read by rows, such that T^2 = SHIFT-UP(T); i.e., the matrix square of T shifts each column of T up 1 row, dropping the main diagonal consisting of the powers of 2: [T^2](n,k) = T(n+1,k) with T(n,n) = 2^n for n>=k>=0.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 4
5 4
6 19
7 24
8 16
9 8
10 243
11 304
12 192
13 64
14 16
15 6227
16 7776
17 4864
18 1536
19 256
20 32
21 319251
22 398528
23 248832
24 77824
25 12288
26 1024
27 64
28 32737427
29 40864128
30 25505792
31 7962624
32 1245184
33 98304
34 4096
35 128
36 6714170259
37 8380781312
38 5230608384

List of values

[1, 1, 2, 3, 4, 4, 19, 24, 16, 8, 243, 304, 192, 64, 16, 6227, 7776, 4864, 1536, 256, 32, 319251, 398528, 248832, 77824, 12288, 1024, 64, 32737427, 40864128, 25505792, 7962624, 1245184, 98304, 4096, 128, 6714170259, 8380781312, 5230608384]