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.

A354646 G.f. A(x) satisfies: 1 = Sum_{n=-oo..+oo} (x + x^n)^n * (-2*A(x))^(n*(n-1)/2).

Table of values

n a(n)
0 1
1 -1
2 -4
3 44
4 316
5 -22695
6 -769536
7 156937802
8 30299780744
9 -18827264809946
10 -17187430890378027
11 37887447329364481223
12 148620374587239353630657
13 -1249806569497062808351943525
14 -20168103472406206381500342351035
15 666759209181977763318463790517458280

List of values

[1, -1, -4, 44, 316, -22695, -769536, 156937802, 30299780744, -18827264809946, -17187430890378027, 37887447329364481223, 148620374587239353630657, -1249806569497062808351943525, -20168103472406206381500342351035, 666759209181977763318463790517458280]