#OK to post homework
#Joseph Koutsoutis, 05-04-2025, Assignment 27

read `C27.txt`:


#2

#r=3 was not in the OEIS when I checked but r=2 was


#3

#k=12 was not in the OEIS when I checked but k=11 was


#4

#k=12 was not in the OEIS when I checked but k=11 was