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.

A114173 Row sums of triangle A114172, where the g.f. of column n equals the g.f. of row n divided by (1-x)^(n+1).

Table of values

n a(n)
0 1
1 2
2 5
3 13
4 34
5 90
6 240
7 643
8 1729
9 4663
10 12607
11 34156
12 92702
13 251975
14 685759
15 1868310
16 5094753
17 13904028
18 37971570
19 103762963
20 283703065
21 776069296
22 2123892683
23 5814922585
24 15926507984
25 43636524179
26 119597410199

List of values

[1, 2, 5, 13, 34, 90, 240, 643, 1729, 4663, 12607, 34156, 92702, 251975, 685759, 1868310, 5094753, 13904028, 37971570, 103762963, 283703065, 776069296, 2123892683, 5814922585, 15926507984, 43636524179, 119597410199]