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Old 2020-11-25, 14:09   #2
sweety439
 
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"99(4^34019)99 palind"
Nov 2016
(P^81993)SZ base 36

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the page only writes "trivial density O(ln(N))", however, I know that the density is different by triple (k,b,c), e.g. 29*2^n-1 has much low density as 17*2^n-1

Last fiddled with by sweety439 on 2020-11-25 at 14:10
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