#ATTENDANCE QUIZ FOR LECTURE 11 of Dr. Z.'s Math454(02) Rutgers University

# Please Edit this .txt page with Answers

#Email  ShaloshBEkhad@gmail.com 
#Subject: p11
#with an attachment called
#p11FirstLast.txt
#(e.g. p11DoronZeilberger.txt)

#Right after finishing watching the lecture but no later than Oct. 13, 2020, 8:00pm


THE NUMBER OF ATTENDANCE QUESTIONS WERE: 3

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


Question 1:

Who was Dr.Z's next door neighbor in 1980? What did he reply when asked how many ways to break up Russian dolls?


Answer 1:

Dr.Z's next door neighbor was Professor George Spencer. 

He replied with a witty double pun saying "This is a Sterling question. It rings a bell" referring to the Bell Numbers.



Question 2:


What is the A number in OEIS of this sequence?
(Bell Numbers)

Answer 2:

A000110



Question 3:

Which of Z(r) except for r=2 are in the OEIS?


Answer 3:

Z(2)- A047797
Z(3)- x
Z(4)- x
Z(5)- x

For r>2, none of Z(r) is in the OEIS