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2, 5, 2, 5, 2, 5, 2, 5, 2, 5, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4
Offset corrected by N. J. A. Sloane, May 12 2019
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0 first occurs for n=123, 1 first occurs for n=101, 2 first occurs for n=2, 0, 3 first occurs for n=20, 4 first occurs for n=11, 5 first occurs for n=1. What is the least n such that a(n) > 5? - Jason Earls, Jun 03 2005 (Corrected by N. J. A. Sloane, May 12 2019)
approved
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editing
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Number of applications of DENEAT operator x -> A073053(x) needed to reduce transform n to 123.
easy,nonn,changed,base
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editing
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0 does not occur. first occurs for n=123, 1 first occurs for n=101, 2 first occurs for n=2, 3 first occurs for n=20, 4 first occurs for n=11, 5 first occurs for n=1. What is the least n such that a(n) > 5? - Jason Earls, Jun 03 2005 (Corrected by _N. J. A. Sloane_, May 12 2019)
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proposed
approved
editing
proposed