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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.

A085915 Group the natural numbers such that the product of the terms of the n-th group is divisible by n!: (1), (2), (3, 4), (5, 6, 7, 8), (9, 10, 11, 12), (13, 14, 15, 16, 17, 18), (19, 20, 21, 22, 23, 24), ... Sequence contains the product of the terms of the n-th group divided by n!. a(n) = A085912(n)/(n!).

Table of values

n a(n)
1 1
2 1
3 2
4 70
5 99
6 18564
7 19228
8 10518300
9 8544965
10 10272278170
11 6854002506
12 15363284301456
13 8691760981890
14 32626924340528840
15 16017346662344280
16 93343021201262177400
17 40465728802060990857
18 346051021610256116115150

List of values

[1, 1, 2, 70, 99, 18564, 19228, 10518300, 8544965, 10272278170, 6854002506, 15363284301456, 8691760981890, 32626924340528840, 16017346662344280, 93343021201262177400, 40465728802060990857, 346051021610256116115150]

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

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