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.

A330852 Numerator of the rational number A(n) that appears in the formula for the n-th cumulant k(n) = (-1)^n*2^n*(A(n) - (n - 1)!*zeta(n)) of the limiting distribution of the number of comparisons in quicksort, for n >= 2, with A(0) = 1 and A(1) = 0.

Table of values

n a(n)
0 1
1 0
2 7
3 19
4 937
5 85981
6 21096517
7 7527245453
8 19281922400989
9 7183745930973701
10 3616944955616896387
11 273304346447259998403709
12 76372354431694636659849988531
13 25401366514997931592208126670898607
14 110490677504100075544188675746430710672527
15 37160853195949529205295416197788818165029489819

List of values

[1, 0, 7, 19, 937, 85981, 21096517, 7527245453, 19281922400989, 7183745930973701, 3616944955616896387, 273304346447259998403709, 76372354431694636659849988531, 25401366514997931592208126670898607, 110490677504100075544188675746430710672527, 37160853195949529205295416197788818165029489819]