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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.

A096308 a(n) = Sum_{d divides n} (-1)^(n-d)*Stirling1(n,d).

Table of values

n a(n)
1 1
2 2
3 3
4 18
5 25
6 620
7 721
8 24878
9 158445
10 1658782
11 3628801
12 429976228
13 479001601
14 26820722994
15 639056694705
16 10758464202978
17 20922789888001
18 3774016217836154
19 6402373705728001
20 1535093032367692372
21 17443309565597717361
22 237373353486966539746

List of values

[1, 2, 3, 18, 25, 620, 721, 24878, 158445, 1658782, 3628801, 429976228, 479001601, 26820722994, 639056694705, 10758464202978, 20922789888001, 3774016217836154, 6402373705728001, 1535093032367692372, 17443309565597717361, 237373353486966539746]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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