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.

A317028 Triangle read by rows: T(0,0) = 1; T(n,k) = 8 * T(n-1,k) + T(n-2,k-1) for k = 0..floor(n/2); T(n,k)=0 for n or k < 0.

Table of values

n a(n)
0 1
1 8
2 64
3 1
4 512
5 16
6 4096
7 192
8 1
9 32768
10 2048
11 24
12 262144
13 20480
14 384
15 1
16 2097152
17 196608
18 5120
19 32
20 16777216
21 1835008
22 61440
23 640
24 1
25 134217728
26 16777216
27 688128
28 10240
29 40
30 1073741824
31 150994944
32 7340032
33 143360
34 960
35 1
36 8589934592
37 1342177280
38 75497472
39 1835008
40 17920
41 48

List of values

[1, 8, 64, 1, 512, 16, 4096, 192, 1, 32768, 2048, 24, 262144, 20480, 384, 1, 2097152, 196608, 5120, 32, 16777216, 1835008, 61440, 640, 1, 134217728, 16777216, 688128, 10240, 40, 1073741824, 150994944, 7340032, 143360, 960, 1, 8589934592, 1342177280, 75497472, 1835008, 17920, 48]