Project Euler #167: Investigating Ulam sequences

Hacker
Rank
Score
161
flag of Vietnam
30.00
164
flag of India
30.00
165
flag of India
30.00
167
flag of Ukraine
30.00
168
flag of United States
30.00
170
flag of Ireland
30.00
171
flag of India
30.00

[deleted]

172
flag of null
30.00
174
flag of India
30.00
176
flag of United States
30.00
177
flag of United Kingdom
30.00
178
flag of New Zealand
30.00
179
flag of India
30.00
180
flag of India
30.00
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