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.

A188109 Triangle T(n,m), [x*A(x)]^m=sum(n>=m T(n,m)*x^n), where A(x) satisfies x*A(x)^2= -(2*x*A(x)+sqrt(1-4*x*A(x))-1)/(4*x*A(x)+sqrt(1-4*x*A(x))-1).

Table of values

n a(n)
1 1
2 3
3 1
4 19
5 6
6 1
7 152
8 47
9 9
10 1
11 1367
12 418
13 84
14 12
15 1
16 13195
17 4007
18 825
19 130
20 15
21 1
22 133556
23 40368
24 8433
25 1400
26 185
27 18
28 1
29 1398696
30 421332
31 88872
32 15239
33 2170
34 249
35 21
36 1
37 15029311
38 4515706
39 959080
40 168112
41 25100
42 3162
43 322
44 24
45 1
46 164764985
47 49405895
48 10547361
49 1878462
50 289788
51 38772
52 4403
53 404
54 27
55 1

List of values

[1, 3, 1, 19, 6, 1, 152, 47, 9, 1, 1367, 418, 84, 12, 1, 13195, 4007, 825, 130, 15, 1, 133556, 40368, 8433, 1400, 185, 18, 1, 1398696, 421332, 88872, 15239, 2170, 249, 21, 1, 15029311, 4515706, 959080, 168112, 25100, 3162, 322, 24, 1, 164764985, 49405895, 10547361, 1878462, 289788, 38772, 4403, 404, 27, 1]