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.

A107238 A Chebyshev transform of number triangle A107230.

Table of values

n a(n)
0 1
1 1
2 1
3 0
4 2
5 1
6 0
7 3
8 3
9 1
10 0
11 4
12 8
13 4
14 1
15 0
16 5
17 15
18 15
19 5
20 1
21 0
22 6
23 27
24 36
25 24
26 6
27 1
28 0
29 7
30 42
31 84
32 70
33 35
34 7
35 1
36 0
37 8
38 64
39 160
40 200
41 120
42 48
43 8
44 1
45 0
46 9
47 90
48 300
49 450
50 405
51 189
52 63
53 9
54 1
55 0
56 10
57 125
58 500
59 1000
60 1050
61 735
62 280
63 80
64 10
65 1
66 0
67 11
68 165
69 825
70 1925
71 2695
72 2156
73 1232
74 396

List of values

[1, 1, 1, 0, 2, 1, 0, 3, 3, 1, 0, 4, 8, 4, 1, 0, 5, 15, 15, 5, 1, 0, 6, 27, 36, 24, 6, 1, 0, 7, 42, 84, 70, 35, 7, 1, 0, 8, 64, 160, 200, 120, 48, 8, 1, 0, 9, 90, 300, 450, 405, 189, 63, 9, 1, 0, 10, 125, 500, 1000, 1050, 735, 280, 80, 10, 1, 0, 11, 165, 825, 1925, 2695, 2156, 1232, 396]