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.

A119244 Eigenvector of triangle A119245, so that a(n) = Sum_{k=0..floor(n/2)} A119245(n,k)*a(k).

Table of values

n a(n)
0 1
1 1
2 3
3 10
4 37
5 144
6 579
7 2379
8 9927
9 41905
10 178498
11 765876
12 3305926
13 14342635
14 62496000
15 273347910
16 1199555865
17 5279624910
18 23298471120
19 103057254030
20 456833819925
21 2028998199360
22 9027655451400
23 40232167135245

List of values

[1, 1, 3, 10, 37, 144, 579, 2379, 9927, 41905, 178498, 765876, 3305926, 14342635, 62496000, 273347910, 1199555865, 5279624910, 23298471120, 103057254030, 456833819925, 2028998199360, 9027655451400, 40232167135245]