Project Euler #174: Counting the number of "hollow" square laminae that can form one, two, three, ... distinct arrangements.

Hacker
Rank
Score
161
flag of Germany
100.00
162
flag of United States
100.00
163
flag of Canada
100.00
165
flag of India
100.00
166
flag of India
100.00
168
flag of India
100.00
170
flag of Sweden
100.00
171
flag of India
100.00
172
flag of Korea, Republic of
100.00
174
flag of Belarus
100.00

[deleted]

175
flag of null
100.00
176
flag of Greece
100.00
177
flag of Canada
100.00
178
flag of India
100.00
179
flag of United States
100.00
180
flag of Germany
100.00
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