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.

A307073 Expansion of 1/(1 - Sum_{k>=1} mu(k)^2*x^k/(1 - x^k)^2).

Table of values

n a(n)
0 1
1 1
2 4
3 11
4 33
5 94
6 279
7 803
8 2348
9 6823
10 19879
11 57834
12 168405
13 490125
14 1426824
15 4153197
16 12089787
17 35191868
18 102440785
19 298194567
20 868017488
21 2526715121
22 7355031727
23 21409798576
24 62321907805
25 181413177769
26 528076639862
27 1537181201003
28 4474589318797
29 13025106833162
30 37914855831345

List of values

[1, 1, 4, 11, 33, 94, 279, 803, 2348, 6823, 19879, 57834, 168405, 490125, 1426824, 4153197, 12089787, 35191868, 102440785, 298194567, 868017488, 2526715121, 7355031727, 21409798576, 62321907805, 181413177769, 528076639862, 1537181201003, 4474589318797, 13025106833162, 37914855831345]