Project Euler #167: Investigating Ulam sequences

Hacker
Rank
Score
161
flag of India
30.00
162
flag of India
30.00
164
flag of Ukraine
30.00
165
flag of United States
30.00
167
flag of Ireland
30.00
168
flag of India
30.00

[deleted]

169
flag of null
30.00
171
flag of India
30.00
173
flag of United States
30.00
174
flag of United Kingdom
30.00
175
flag of New Zealand
30.00
176
flag of India
30.00
177
flag of India
30.00
178
flag of India
30.00
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