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.

A097189 Row sums of triangle A097186, in which the n-th row polynomial R_n(y) is formed from the initial (n+1) terms of g.f. A057083(y)^(n+1), where R_n(1/3) = 3^n for all n >= 0.

Table of values

n a(n)
0 1
1 7
2 55
3 451
4 3781
5 32131
6 275563
7 2378971
8 20640907
9 179791327
10 1571002291
11 13762897435
12 120832716655
13 1062818450155
14 9363143224315
15 82600459304203
16 729572125425661
17 6450872644562491
18 57092964352312951
19 505729048454449651

List of values

[1, 7, 55, 451, 3781, 32131, 275563, 2378971, 20640907, 179791327, 1571002291, 13762897435, 120832716655, 1062818450155, 9363143224315, 82600459304203, 729572125425661, 6450872644562491, 57092964352312951, 505729048454449651]