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.

A147542 Product(1 + a(n)*x^n, n=1..infinity) = sum(F(k+1)*x^k, k=1..infinity) = 1/(1-x-x^2), where F(n) = A000045(n) (Fibonacci numbers).

Table of values

n a(n)
1 1
2 2
3 1
4 4
5 2
6 1
7 4
8 18
9 8
10 8
11 18
12 17
13 40
14 50
15 88
16 396
17 210
18 296
19 492
20 690
21 1144
22 1776
23 2786
24 3545
25 6704
26 10610
27 16096
28 25524
29 39650
30 63544
31 97108
32 269154
33 236880
34 389400
35 589298
36 956000
37 1459960
38 2393538
39 3604880
40 5739132
41 9030450
42 14777200

List of values

[1, 2, 1, 4, 2, 1, 4, 18, 8, 8, 18, 17, 40, 50, 88, 396, 210, 296, 492, 690, 1144, 1776, 2786, 3545, 6704, 10610, 16096, 25524, 39650, 63544, 97108, 269154, 236880, 389400, 589298, 956000, 1459960, 2393538, 3604880, 5739132, 9030450, 14777200]