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.

A090408 a(n) = Sum_{k=0..n} binomial(4n+3,4k).

Table of values

n a(n)
0 1
1 36
2 496
3 8256
4 130816
5 2098176
6 33550336
7 536887296
8 8589869056
9 137439215616
10 2199022206976
11 35184376283136
12 562949936644096
13 9007199321849856
14 144115187807420416
15 2305843010287435776
16 36893488143124135936
17 590295810375885520896
18 9444732965670570950656

List of values

[1, 36, 496, 8256, 130816, 2098176, 33550336, 536887296, 8589869056, 137439215616, 2199022206976, 35184376283136, 562949936644096, 9007199321849856, 144115187807420416, 2305843010287435776, 36893488143124135936, 590295810375885520896, 9444732965670570950656]