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.

A318912 Expansion of e.g.f. Product_{k>=1} 1/(1 - x^k)^(mu(k)^2/k), where mu = Möbius function (A008683).

Table of values

n a(n)
0 1
1 1
2 3
3 11
4 53
5 309
6 2359
7 18367
8 168489
9 1690217
10 19416491
11 233144691
12 3187062493
13 44901291421
14 700058510943
15 11509417045799
16 200586478516049
17 3680237286827217
18 72326917665944659
19 1467930587827522267
20 31855597406715020421
21 718484783876745110021
22 16993553696264436052103

List of values

[1, 1, 3, 11, 53, 309, 2359, 18367, 168489, 1690217, 19416491, 233144691, 3187062493, 44901291421, 700058510943, 11509417045799, 200586478516049, 3680237286827217, 72326917665944659, 1467930587827522267, 31855597406715020421, 718484783876745110021, 16993553696264436052103]