20 lines
332 B
Python
20 lines
332 B
Python
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#!/usr/bin/env python3
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from math import sqrt
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def is_palindrome(n):
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return str(n) == str(n)[::-1]
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lim = 10**8
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nums = []
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for n in range(2, int(sqrt(lim))+1):
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s = (n-1)**2 + n**2
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while s < lim:
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if is_palindrome(s) and s not in nums:
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nums.append(s)
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n += 1
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s += n**2
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print(sum(nums))
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