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.

A100631 Triangle read by rows: T(n,k) = 2*(T(n-1,k-1) - T(n-2,k-1) + T(n-1,k)) for 0 < k < n, T(n,0) = T(n,n) = 1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 4
8 4
9 1
10 1
11 8
12 12
13 8
14 1
15 1
16 16
17 32
18 32
19 16
20 1
21 1
22 32
23 80
24 104
25 80
26 32
27 1
28 1
29 64
30 192
31 304
32 304
33 192
34 64
35 1
36 1
37 128
38 448
39 832
40 1008
41 832
42 448
43 128
44 1
45 1
46 256
47 1024
48 2176
49 3072
50 3072
51 2176
52 1024
53 256
54 1
55 1
56 512
57 2304
58 5504
59 8832
60 10272
61 8832
62 5504
63 2304
64 512
65 1

List of values

[1, 1, 1, 1, 2, 1, 1, 4, 4, 1, 1, 8, 12, 8, 1, 1, 16, 32, 32, 16, 1, 1, 32, 80, 104, 80, 32, 1, 1, 64, 192, 304, 304, 192, 64, 1, 1, 128, 448, 832, 1008, 832, 448, 128, 1, 1, 256, 1024, 2176, 3072, 3072, 2176, 1024, 256, 1, 1, 512, 2304, 5504, 8832, 10272, 8832, 5504, 2304, 512, 1]