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.

A015535 Expansion of x/(1 - 5*x - 2*x^2).

Table of values

n a(n)
0 0
1 1
2 5
3 27
4 145
5 779
6 4185
7 22483
8 120785
9 648891
10 3486025
11 18727907
12 100611585
13 540513739
14 2903791865
15 15599986803
16 83807517745
17 450237562331
18 2418802847145
19 12994489360387
20 69810052496225
21 375039241201899
22 2014816311001945
23 10824160037413523

List of values

[0, 1, 5, 27, 145, 779, 4185, 22483, 120785, 648891, 3486025, 18727907, 100611585, 540513739, 2903791865, 15599986803, 83807517745, 450237562331, 2418802847145, 12994489360387, 69810052496225, 375039241201899, 2014816311001945, 10824160037413523]