Benedict Irwin edited Introduction.tex  over 9 years ago

Commit id: 03353e3e1072ee786ce95e7d241c4e95294b12c4

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22 & 2|11 & 211 \\  23 & 23 \\  24 & 2|2|2|3 & 3|3|13|19 & 331319 \\  25 & 5|5 & 5|11 &7|73 & 7|73  & 773 \\ 26 & 2|13 & 3|71 & 7|53 & 3|251 & 3251 \\  27 & 3|3|3 & 3|3|37 & 47|71 & 13|367 & 13367 \\  28 & 2|2|7 & 227 \\ 

\end{array}  \end{equation}  It can be seen that some numbers lead to previous numbers and therefore arrive at the same prime number to terminate the sequence. The steps till the resulting number is prime has the sequence $a(n)$=1,1,1,3,1,2,1,14,3,5,1,2,1,7,5,5,1,2,1,16,2,2,1,3,4,5,5,2,1,3...