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.

A125794 Column 4 of table A125790; also equals row sums of matrix power A078121^4.

Table of values

n a(n)
0 1
1 5
2 25
3 165
4 1625
5 25509
6 664665
7 29559717
8 2290267225
9 314039061413
10 77160820913241
11 34317392762489765
12 27859502236825957465
13 41575811106337540656037
14 114746581654195790543205465
15 588765612737696531880325270437
16 5642056933026209681424588087899225

List of values

[1, 5, 25, 165, 1625, 25509, 664665, 29559717, 2290267225, 314039061413, 77160820913241, 34317392762489765, 27859502236825957465, 41575811106337540656037, 114746581654195790543205465, 588765612737696531880325270437, 5642056933026209681424588087899225]