Prime Curios!: 193

193
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The smallest Francesca-Carlotta prime, i.e., if a Fibonacci-like sequence is formed with the first term equal to the number of digits in n and the second term equal to the sum of the decimal digits in n, then n itself occurs as a term in the sequence after the first two terms. [Russo]

Submitted: 2000-06-15 08:39:39; Last Modified: 2008-01-30 11:28:00.