Project Euler #14: Longest Collatz sequence

Hacker
Rank
Score
13461
flag of India
30.77
13462
flag of India
30.77
13463
flag of India
30.77
13464
flag of India
30.77
13465
flag of United States
30.77
13466
flag of India
30.77
13467
flag of Sri Lanka
30.77
13468
flag of India
30.77
13469
flag of India
30.77
13470
flag of India
30.77

[deleted]

13471
flag of null
30.77
13474
flag of India
30.77
13475
flag of India
30.77
13476
flag of United States
30.77
13477
flag of United States
30.77
13478
flag of India
30.77
13479
flag of Germany
30.77
13480
flag of United States
30.77
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