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.

A185675 Riordan array ( (1+x)/(1-x-x^2), x*A000108(x) ).

Table of values

n a(n)
0 1
1 2
2 1
3 3
4 3
5 1
6 5
7 7
8 4
9 1
10 8
11 17
12 12
13 5
14 1
15 13
16 43
17 35
18 18
19 6
20 1
21 21
22 116
23 103
24 60
25 25
26 7
27 1
28 34
29 333
30 312
31 196
32 93
33 33
34 8
35 1
36 55
37 1010
38 976
39 643
40 331
41 135
42 42
43 9
44 1
45 89
46 3202
47 3147
48 2137
49 1161
50 518
51 187
52 52
53 10
54 1
55 144
56 10504
57 10415
58 7213
59 4066
60 1929
61 768
62 250
63 63
64 11
65 1

List of values

[1, 2, 1, 3, 3, 1, 5, 7, 4, 1, 8, 17, 12, 5, 1, 13, 43, 35, 18, 6, 1, 21, 116, 103, 60, 25, 7, 1, 34, 333, 312, 196, 93, 33, 8, 1, 55, 1010, 976, 643, 331, 135, 42, 9, 1, 89, 3202, 3147, 2137, 1161, 518, 187, 52, 10, 1, 144, 10504, 10415, 7213, 4066, 1929, 768, 250, 63, 11, 1]