#ATTENDANCE QUIZ FOR LECTURE 6 of Dr. Z.'s Math454(02) Rutgers University

# Please Edit this .txt page with Answers

#Email  ShaloshBEkhad@gmail.com 
#Subject: p6
#with an attachment called
#p6FirstLast.txt
#(e.g. p6DoronZeilberger.txt)

#Right after finishing watching the lecture but no later than Sept. 24, 2020, 8:00pm


THE NUMBER OF ATTENDANCE QUESTIONS WERE: 4

PLEASE LIST ALL THE QUESTIONS FOLLOWED, AFTER EACH BY THE ANSWER

1. Who was Gian Carlo Rota?

He was an Italian-American mathematician at MIT
According to Dr. Z, he was once one of the greatest mathematicians in the world

2. Use the internet to find the quote of Rota about useful Pie exists

The inclusion/exclusion principle is "one of the most useful principles of enumeration in discrete probability and combinatorial theory.
Source: https://www.mathematicalwhetstones.com/uploads/5/4/9/9/54991295/31_combinatorics_inclusion-exclusionsample_1.pdf

3. What does recontres mean in French? Who made the problem up?
Recontres means 'encounter' in French, and the Probleme des Recontres was made by the mathematician Pierre Remond de Montmort.

4. What is the OEIS number of this sequence?

Sequence: 0, 1, 2, 9, 44, 265, 1854, 14833, 133496, 1334961
OEIS number: A000166