Demonstrate a lower bound for the Ramsey number R(4,4)
Python 3, 56 bytes



s=' '+bin(53643)[2:]
for _ in s:print(*s);s=s[-1]+s[:-1]


Try it online!



Python 3, 56 bytes



s=' 1101000110001011'*16
while s:print(*s[:17]);s=s[16:]


Try it online!



Python 2, 64 bytes



for k in range(289):print'\n'[k%17:]+' ab'[(k/17-k%17)**8%17%7],


Try it online!