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.

A268651 G.f. A(x) satisfies: 1 = Product_{n>=1} (1 - x^n) * (1 - x^(n+1)/A(x)) * (1 - x^(n-2)*A(x)).

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 9
5 22
6 52
7 146
8 377
9 1036
10 2810
11 8014
12 22790
13 66100
14 191541
15 562926
16 1660975
17 4944766
18 14767136
19 44357952
20 133698623
21 404810569
22 1229434572
23 3746595869
24 11447723074
25 35075829156
26 107724187826
27 331605018200
28 1022842337041
29 3161156987190
30 9787096605716
31 30352665554591
32 94279407445012
33 293277650593792
34 913565090912339
35 2849489942324466
36 8898714901181309
37 27822251614174021
38 87083081436755770

List of values

[1, 1, 2, 5, 9, 22, 52, 146, 377, 1036, 2810, 8014, 22790, 66100, 191541, 562926, 1660975, 4944766, 14767136, 44357952, 133698623, 404810569, 1229434572, 3746595869, 11447723074, 35075829156, 107724187826, 331605018200, 1022842337041, 3161156987190, 9787096605716, 30352665554591, 94279407445012, 293277650593792, 913565090912339, 2849489942324466, 8898714901181309, 27822251614174021, 87083081436755770]