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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.

A341432 a(n) is the denominator of the asymptotic density of numbers divisible by their last digit in base n.

Table of values

n a(n)
2 2
3 2
4 12
5 12
6 60
7 20
8 840
9 840
10 2520
11 2520
12 27720
13 27720
14 360360
15 360360
16 720720
17 720720
18 12252240
19 4084080
20 232792560
21 77597520
22 33256080
23 5173168
24 5354228880
25 356948592
26 3824449200
27 26771144400
28 11473347600
29 80313433200
30 332727080400
31 2329089562800
32 144403552893600

List of values

[2, 2, 12, 12, 60, 20, 840, 840, 2520, 2520, 27720, 27720, 360360, 360360, 720720, 720720, 12252240, 4084080, 232792560, 77597520, 33256080, 5173168, 5354228880, 356948592, 3824449200, 26771144400, 11473347600, 80313433200, 332727080400, 2329089562800, 144403552893600]

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

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