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.

A089126 a(n+2) = F(n+1)*a(n+1) + F(n)*a(n) where F(n) = Fibonacci number (A000045), a(0) = a(1) = 1.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 5
5 19
6 110
7 975
8 13555
9 297330
10 10393875
11 581772345
12 52349401830
13 7590091602225
14 1776029657181945
15 671331672100911690
16 410181883162313724165
17 405259031001185201881755
18 647603522027573971050913590
19 1674054699591760033962965879295

List of values

[1, 1, 1, 2, 5, 19, 110, 975, 13555, 297330, 10393875, 581772345, 52349401830, 7590091602225, 1776029657181945, 671331672100911690, 410181883162313724165, 405259031001185201881755, 647603522027573971050913590, 1674054699591760033962965879295]