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A018845
Number of iterations required for the sum of n and its prime divisors = t to reach a prime (where t replaces n in each iteration) in
A016837
.
+0
2
1, 4, 2, 3, 2, 1, 2, 2, 2, 1, 3, 1, 2, 1, 1, 3, 2, 2, 2, 1, 1, 2, 2, 2, 2, 1, 3, 3, 2, 3, 5, 4, 1, 1, 1, 2, 2, 1, 2, 2, 10, 3, 2, 1, 6, 1, 3, 1, 5, 5, 1, 5, 3, 2, 1, 2, 4, 2, 2, 4, 3, 4, 3, 4, 13, 13, 3, 4, 3, 4, 3, 3, 3, 4, 12
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
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