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.

A155161 A Fibonacci convolution triangle: Riordan array (1, x/(1 - x - x^2)). Triangle T(n,k), 0 <= k <= n, read by rows.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 1
5 1
6 0
7 2
8 2
9 1
10 0
11 3
12 5
13 3
14 1
15 0
16 5
17 10
18 9
19 4
20 1
21 0
22 8
23 20
24 22
25 14
26 5
27 1
28 0
29 13
30 38
31 51
32 40
33 20
34 6
35 1
36 0
37 21
38 71
39 111
40 105
41 65
42 27
43 7
44 1
45 0
46 34
47 130
48 233
49 256
50 190
51 98
52 35
53 8
54 1
55 0
56 55
57 235
58 474
59 594
60 511
61 315
62 140
63 44
64 9
65 1
66 0
67 89
68 420
69 942
70 1324
71 1295
72 924
73 490
74 192
75 54
76 10
77 1

List of values

[1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 3, 5, 3, 1, 0, 5, 10, 9, 4, 1, 0, 8, 20, 22, 14, 5, 1, 0, 13, 38, 51, 40, 20, 6, 1, 0, 21, 71, 111, 105, 65, 27, 7, 1, 0, 34, 130, 233, 256, 190, 98, 35, 8, 1, 0, 55, 235, 474, 594, 511, 315, 140, 44, 9, 1, 0, 89, 420, 942, 1324, 1295, 924, 490, 192, 54, 10, 1]