Project Euler #44: Pentagon numbers

Hacker
Rank
Score
4081
flag of India
66.67
4082
flag of India
66.67
4083
flag of India
66.67
4084
flag of Kenya
66.67
4086
flag of India
66.67
4087
flag of India
66.67
4088
flag of Canada
66.67
4089
flag of India
66.67
4090
flag of India
66.67
4091
flag of Australia
66.67
4093
flag of India
66.67
4094
flag of India
66.67
4095
flag of Hong Kong
66.67
4097
flag of United States
66.67
4098
flag of India
66.67
4099
flag of United States
66.67
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