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URL: https://oeis.org/history?seq=A212667

⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)

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Numbers k such that the sum of digits of k equals the concatenation of the distinct prime divisors of k.
#9 by Michael De Vlieger at Wed Dec 17 23:22:55 EST 2025
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#8 by Andrew Howroyd at Wed Dec 17 22:30:23 EST 2025
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#7 by Jason Yuen at Wed Dec 17 22:08:52 EST 2025
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#6 by Jason Yuen at Wed Dec 17 22:08:35 EST 2025
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#5 by T. D. Noe at Wed May 23 20:02:07 EDT 2012
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#4 by T. D. Noe at Wed May 23 19:59:41 EDT 2012
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Discussion
Wed May 23
20:02
T. D. Noe: Very bizarre and useless sequence; sum of digits and concatenation. Please think of better sequences.
#3 by Michel Lagneau at Wed May 23 09:19:45 EDT 2012
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#2 by Michel Lagneau at Wed May 23 09:19:03 EDT 2012
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#1 by Michel Lagneau at Wed May 23 09:19:03 EDT 2012
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