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.

A119243 Eigenvector of triangle A118919, so that a(n) = Sum_{k=0..floor(n/2)} A118919(n,k)*a(k).

Table of values

n a(n)
0 1
1 2
2 7
3 26
4 103
5 422
6 1768
7 7520
8 32335
9 140174
10 611530
11 2681516
12 11807683
13 52177166
14 231262945
15 1027703054
16 4577477065
17 20429990450
18 91348096963
19 409110897122
20 1834954888618
21 8241277167236
22 37059369415102

List of values

[1, 2, 7, 26, 103, 422, 1768, 7520, 32335, 140174, 611530, 2681516, 11807683, 52177166, 231262945, 1027703054, 4577477065, 20429990450, 91348096963, 409110897122, 1834954888618, 8241277167236, 37059369415102]