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.

A343841 a(n) = Sum{k=0..n} (-1)^(n-k)*binomial(n, k)*Stirling2(n, k).

Table of values

n a(n)
0 1
1 1
2 -1
3 -5
4 15
5 56
6 -455
7 -237
8 16947
9 -64220
10 -529494
11 6833608
12 -8606015
13 -459331677
14 4335744673
15 6800310151
16 -518075832085
17 4315086396640
18 19931595013738
19 -812870258798156
20 6648395876520816
21 46852711038750520
22 -1752440325584024944
23 15485712825845269456

List of values

[1, 1, -1, -5, 15, 56, -455, -237, 16947, -64220, -529494, 6833608, -8606015, -459331677, 4335744673, 6800310151, -518075832085, 4315086396640, 19931595013738, -812870258798156, 6648395876520816, 46852711038750520, -1752440325584024944, 15485712825845269456]