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.

A126963 Numerators of sequence defined by f(0)=1, f(1)=5/4; f(n) = ( (6*n-1)*f(n-1) - (2*n-1)*f(n-2) )/(4n).

Table of values

n a(n)
0 1
1 5
2 43
3 177
4 2867
5 11531
6 92479
7 370345
8 11857475
9 47442055
10 379582629
11 1518418695
12 24295375159
13 97182800711
14 777467420263
15 3109879375897
16 199032580597603
17 796130905791967
18 6369049515119561
19 25476202478636219
20 407619274119811709
21 1630477163761481141

List of values

[1, 5, 43, 177, 2867, 11531, 92479, 370345, 11857475, 47442055, 379582629, 1518418695, 24295375159, 97182800711, 777467420263, 3109879375897, 199032580597603, 796130905791967, 6369049515119561, 25476202478636219, 407619274119811709, 1630477163761481141]