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.

A020087 a(n) = floor( Gamma(n + 1/4)/Gamma(1/4) ).

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 2
5 9
6 50
7 318
8 2310
9 19060
10 176310
11 1807181
12 20330788
13 249052161
14 3299941145
15 47024161317
16 717118460090
17 11653174976468
18 201017268344078
19 3668565147279423
20 70619879085128903
21 1430052551473860292

List of values

[1, 0, 0, 0, 2, 9, 50, 318, 2310, 19060, 176310, 1807181, 20330788, 249052161, 3299941145, 47024161317, 717118460090, 11653174976468, 201017268344078, 3668565147279423, 70619879085128903, 1430052551473860292]