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#22 by Michel Marcus at Sat Mar 06 12:56:30 EST 2021
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#21 by Joerg Arndt at Sat Mar 06 11:48:27 EST 2021
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#20 by Michel Marcus at Sat Mar 06 11:36:10 EST 2021
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#19 by Michel Marcus at Sat Mar 06 11:36:07 EST 2021
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| COMMENTS
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Comments from David W. Wilson, Feb 26 2005:: (Start)
"We should expect an infinite number of zeroless k-th powers when this ratio is >= 1, which it is for k <= 21. For k >= 22, the ratio is < 1 and we should expect a finite number of zeroless k-th powers."." (End)
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| KEYWORD
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nonn,base,more,changed
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| STATUS
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proposed
editing
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#18 by Michael S. Branicky at Sat Mar 06 11:04:59 EST 2021
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#17 by Michael S. Branicky at Sat Mar 06 11:04:55 EST 2021
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| PROG
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(Python)
def aupton(terms):
c, k, kk = [0 for i in range(terms)], 1, 1
while kk < 10**terms:
s = str(kk)
c[len(s)-1], k, kk = c[len(s)-1] + (s.count('0')==0), k+1, kk + 2*k + 1
return c
print(aupton(14)) # Michael S. Branicky, Mar 06 2021
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| STATUS
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approved
editing
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#16 by Alois P. Heinz at Wed Aug 21 22:58:42 EDT 2019
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#15 by Alois P. Heinz at Wed Aug 21 22:58:36 EDT 2019
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#14 by Bruno Berselli at Tue Jan 29 05:30:50 EST 2013
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#13 by Donovan Johnson at Tue Jan 29 04:03:25 EST 2013
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