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.

A325287 G.f. satisfies 1 = Sum_{n>=0} ((1+x)^(n*(n-1)/2) / A(x)^n) * (2^n/3^(n+1)).

Table of values

n a(n)
0 1
1 2
2 16
3 380
4 15280
5 842672
6 57985144
7 4735508672
8 445364211760
9 47281191656960
10 5586025249211056
11 726588091176753152
12 103169269785836042656
13 15880361395424986644320
14 2634307488850605478606240
15 468569833279898692863674720
16 88975116507316444085923086400
17 17966290253142630862386608565440
18 3844488506759131598435757854078080
19 869080066111317591084733034309229440
20 206969312517505574682143594517889278400

List of values

[1, 2, 16, 380, 15280, 842672, 57985144, 4735508672, 445364211760, 47281191656960, 5586025249211056, 726588091176753152, 103169269785836042656, 15880361395424986644320, 2634307488850605478606240, 468569833279898692863674720, 88975116507316444085923086400, 17966290253142630862386608565440, 3844488506759131598435757854078080, 869080066111317591084733034309229440, 206969312517505574682143594517889278400]