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.

A386766 a(n) = Sum_{k=0..n} 5^k * 2^(n-k) * binomial(n+k-1,k).

Table of values

n a(n)
0 1
1 7
2 99
3 1618
4 28051
5 502182
6 9174174
7 169955268
8 3180814851
9 59997194782
10 1138669104874
11 21718428172668
12 415955669988526
13 7994062687411132
14 154087546950639324
15 2977629771383522568
16 57667991491752308451
17 1119034767346120619982
18 21752068061568290996274

List of values

[1, 7, 99, 1618, 28051, 502182, 9174174, 169955268, 3180814851, 59997194782, 1138669104874, 21718428172668, 415955669988526, 7994062687411132, 154087546950639324, 2977629771383522568, 57667991491752308451, 1119034767346120619982, 21752068061568290996274]