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.

A317495 Triangle read by rows: T(0,0) = 1; T(n,k) =2 * T(n-1,k) + T(n-3,k-1) for k = 0..floor(n/3); T(n,k)=0 for n or k < 0.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 1
5 16
6 4
7 32
8 12
9 64
10 32
11 1
12 128
13 80
14 6
15 256
16 192
17 24
18 512
19 448
20 80
21 1
22 1024
23 1024
24 240
25 8
26 2048
27 2304
28 672
29 40
30 4096
31 5120
32 1792
33 160
34 1
35 8192
36 11264
37 4608
38 560
39 10
40 16384
41 24576
42 11520
43 1792
44 60
45 32768
46 53248
47 28160
48 5376
49 280
50 1
51 65536
52 114688
53 67584
54 15360
55 1120
56 12

List of values

[1, 2, 4, 8, 1, 16, 4, 32, 12, 64, 32, 1, 128, 80, 6, 256, 192, 24, 512, 448, 80, 1, 1024, 1024, 240, 8, 2048, 2304, 672, 40, 4096, 5120, 1792, 160, 1, 8192, 11264, 4608, 560, 10, 16384, 24576, 11520, 1792, 60, 32768, 53248, 28160, 5376, 280, 1, 65536, 114688, 67584, 15360, 1120, 12]