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A354677
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a(n) = number of near-Wieferich primes with |A| <= 1000 less than 10^n.
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3
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OFFSET
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1,1
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COMMENTS
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--------------------------------------------
1 | 3 | 4 | 75.000000
2 | 24 | 25 | 96.000000
3 | 167 | 168 | 99.404761
4 | 698 | 1229 | 56.794141
5 | 1155 | 9592 | 12.041284
6 | 1502 | 78498 | 1.913424
7 | 1812 | 664579 | 0.272653
8 | 2064 | 5761455 | 0.035824
9 | 2297 | 50847534 | 0.004517
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LINKS
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PROG
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my(i=0, x=10); forprime(p=3, , if(p > x, print1(i, ", "); x=10*x); if(a258367(p) <= 1000, i++))
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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