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.

A115791 Number of different ways to select n elements from five sets of n elements under the precondition of choosing at least one element from each set.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 3125
6 97200
7 1932805
8 31539200
9 461828790
10 6332578125
11 83235183075
12 1063505908080
13 13327125965725
14 164758298214965
15 2017489363833125
16 24538128923443200
17 297028957324770140
18 3583456866615114630

List of values

[0, 0, 0, 0, 3125, 97200, 1932805, 31539200, 461828790, 6332578125, 83235183075, 1063505908080, 13327125965725, 164758298214965, 2017489363833125, 24538128923443200, 297028957324770140, 3583456866615114630]

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

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