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.

A176230 Exponential Riordan array [1/sqrt(1-2x), x/(1-2x)].

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 6
5 1
6 15
7 45
8 15
9 1
10 105
11 420
12 210
13 28
14 1
15 945
16 4725
17 3150
18 630
19 45
20 1
21 10395
22 62370
23 51975
24 13860
25 1485
26 66
27 1
28 135135
29 945945
30 945945
31 315315
32 45045
33 3003
34 91
35 1
36 2027025
37 16216200
38 18918900
39 7567560
40 1351350
41 120120
42 5460
43 120
44 1
45 34459425

List of values

[1, 1, 1, 3, 6, 1, 15, 45, 15, 1, 105, 420, 210, 28, 1, 945, 4725, 3150, 630, 45, 1, 10395, 62370, 51975, 13860, 1485, 66, 1, 135135, 945945, 945945, 315315, 45045, 3003, 91, 1, 2027025, 16216200, 18918900, 7567560, 1351350, 120120, 5460, 120, 1, 34459425]