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A239007 Difference between the smallest 10^n-digit member of a sexy prime pair and 10^(10^n - 1). 0
4, 87, 34951, 73203, 475341523 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..4.

G. L. Honaker, Jr. and Chris Caldwell, Prime Curios! 10000...34951 (100-digits)

Eric Weisstein's World of Mathematics, Sexy Primes

MATHEMATICA

lst = {}; Do[s = 10^(10^n - 1); n = NextPrime[s]; While[! PrimeQ[n + 6], n = NextPrime[n]]; AppendTo[lst, n - s], {n, 0, 2}]; lst

CROSSREFS

Cf. A023201.

Sequence in context: A220277 A122209 A059577 * A254652 A028554 A303153

Adjacent sequences:  A239004 A239005 A239006 * A239008 A239009 A239010

KEYWORD

nonn,base,hard,more

AUTHOR

Arkadiusz Wesolowski, Mar 08 2014

STATUS

approved

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Last modified October 22 04:25 EDT 2019. Contains 328315 sequences. (Running on oeis4.)