Project Euler #44: Pentagon numbers

Hacker
Rank
Score
4121
flag of India
66.67
4122
flag of India
66.67
4124
flag of India
66.67
4125
flag of India
66.67
4126
flag of India
66.67
4127
flag of India
66.67
4128
flag of India
66.67
4129
flag of India
66.67
4131
flag of India
66.67
4132
flag of India
66.67
4133
flag of India
66.67
4134
flag of India
66.67
4136
flag of India
66.67
4138
flag of India
66.67
4139
flag of Germany
66.67
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