Euler #002 - Even Fibonacci numbers - Using Math
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| Language | Python |
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| Owner | Rajiv |
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| Visibility | Public |
# fib series: 1, 1, 2, 3, 5, 8, 13, 21, 34 ...
# even fib : 2, 8, 34 ...
ans = 0
val = 2
while val < 40_00000:
ans += val
val = round(val * phi ** 3)
print(ans)
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