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.

A353290 a(n) = Sum_{k=0..floor(n/2)} (n-k)^(n-2*k) * |Stirling1(n-k,k)|.

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 19
5 393
6 15177
7 939394
8 85063260
9 10599342278
10 1739073390797
11 363404567436467
12 94224446795779884
13 29683590039199285223
14 11167286542016941966714
15 4945143125245884296040780
16 2546112368234517215955646341
17 1508197687055444623135714912377

List of values

[1, 0, 1, 2, 19, 393, 15177, 939394, 85063260, 10599342278, 1739073390797, 363404567436467, 94224446795779884, 29683590039199285223, 11167286542016941966714, 4945143125245884296040780, 2546112368234517215955646341, 1508197687055444623135714912377]