Kenneth Chan
#ATTENDANCE QUIZ FOR LECTURE 20 of Dr. Z.'s Math454(02) Rutgers University

# Please Edit this .txt page with Answers

#Email  ShaloshBEkhad@gmail.com 
#Subject: p20
#with an attachment called
#p20FirstLast.txt
#(e.g. p19DoronZeilberger.txt)

#Right after finishing watching the lecture but no later than Nov. 17, 2020, 8:00pm


THE NUMBER OF ATTENDANCE QUESTIONS WERE:

PLEASE LIST ALL THE QUESTIONS FOLLOWED, AFTER EACH, BY THE ANSWER
Attendence Problem
When was Rabbi Levi Ben Gerson born?
Answer
1288 in Provence

Attendence Problem 
When was Et. bell born and died. What was he famous for?What is his famous book?
Answer
Feb 7 1883 
known for Men of Mathematics, Mathematics, and Queen and Servant of Science 

Attendence Problem 
What was Et bell penname?
Answer
John Taine

Attendence Problem
How many set partitions of a 300-element set are there with exactly 5 members?
Answer
4090901122108143879424647...

Attendence Problem
Is 1,1,4,11,41,162,715,3425,17722,98253,580317,3633280,24011157 in the oeis?
what is the A-number
Answer
A000296

Attendence Problem
Is it in the oeis? Anumber?
Answer
No it is not in the oeis

Attendence Problem
Let a_k(n):Be the number of permutations where every cycle is of length at least k
a_1(n)=n! a_2(n)=d(n)1m1

For k=3,k=4,k=5,... find the first 30 terms of a_k(n) and see whether there are already 
in the OEIS? which k is the smallest that is not there ? should it be?
Answer
I did not find it, and yes it should be