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.

A381163 a(n) = Sum_{k=0..n} binomial(n,k)*(4*k)!*(2*k)!/(k!)^6.

Table of values

n a(n)
0 1
1 49
2 15217
3 7437505
4 4444068913
5 2978797867489
6 2151085262277121
7 1636678166183569873
8 1294384621280668799665
9 1054623536679756097536097
10 879831837105310233485202337
11 748258333337818719124808979313
12 646586399881218539235007860940609
13 566284969531710881501724274920081265

List of values

[1, 49, 15217, 7437505, 4444068913, 2978797867489, 2151085262277121, 1636678166183569873, 1294384621280668799665, 1054623536679756097536097, 879831837105310233485202337, 748258333337818719124808979313, 646586399881218539235007860940609, 566284969531710881501724274920081265]