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.

A183067 G.f.: A(x) = Sum_{n>=0} (4n)!/n!^4 * x^(2n)/(1-2*x)^(4n+1).

Table of values

n a(n)
0 1
1 2
2 28
3 248
4 3976
5 52112
6 850144
7 13032896
8 217878616
9 3594283952
10 61577419168
11 1056910842176
12 18485891235904
13 325146542386304
14 5781811796793088
15 103413141115923968
16 1863085674077321176
17 33737014083314312624

List of values

[1, 2, 28, 248, 3976, 52112, 850144, 13032896, 217878616, 3594283952, 61577419168, 1056910842176, 18485891235904, 325146542386304, 5781811796793088, 103413141115923968, 1863085674077321176, 33737014083314312624]