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.

A109223 Number triangle related to the Fibonacci polynomials.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 1
9 1
10 1
11 3
12 5
13 1
14 1
15 1
16 6
17 5
18 7
19 1
20 1
21 1
22 6
23 15
24 7
25 9
26 1
27 1
28 1
29 10
30 15
31 28
32 9
33 11
34 1
35 1
36 1
37 10
38 35
39 28
40 45
41 11
42 13
43 1
44 1
45 1
46 15
47 35
48 84
49 45
50 66
51 13
52 15
53 1
54 1
55 1
56 15
57 70
58 84
59 165
60 66
61 91
62 15
63 17
64 1
65 1
66 1
67 21
68 70
69 210
70 165
71 286
72 91
73 120
74 17
75 19
76 1
77 1
78 1
79 21
80 126
81 210

List of values

[1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 5, 1, 1, 1, 6, 5, 7, 1, 1, 1, 6, 15, 7, 9, 1, 1, 1, 10, 15, 28, 9, 11, 1, 1, 1, 10, 35, 28, 45, 11, 13, 1, 1, 1, 15, 35, 84, 45, 66, 13, 15, 1, 1, 1, 15, 70, 84, 165, 66, 91, 15, 17, 1, 1, 1, 21, 70, 210, 165, 286, 91, 120, 17, 19, 1, 1, 1, 21, 126, 210]