17 lines
350 B
Python
17 lines
350 B
Python
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#!/usr/bin/env python3
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def nth_con(x):
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# 212 114 116 118
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if not x % 3:
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n = 1
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d = 0
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else:
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n = x % 3
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d = 1
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for m in range(2 * (x // 3), 2, -2):
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n, d = 2*m*n + 2*d + n, m*n + n + d
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return 8*n + 3*d, 2*n + d + n
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if __name__ == '__main__':
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print(sum(map(int, list(str(nth_con(100)[0])))))
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