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Number of digits in p2^p1 where p2 > p1 and (p1,p2) are twin primes.
1

%I #11 Dec 10 2015 16:44:10

%S 3,5,13,22,44,67,106,133,204,219,294,325,405,437,453,536,570,655,689,

%T 777,883,1100,1137,1229,1417,1569,1665,1723,1801,1859,2354,2394,2414,

%U 2515,2596,3067,3108,3170,3212,3316

%N Number of digits in p2^p1 where p2 > p1 and (p1,p2) are twin primes.

%H Harvey P. Dale, <a href="/A104222/b104222.txt">Table of n, a(n) for n = 1..1000</a>

%H Chris Caldwell, <a href="http://www.utm.edu/research/primes/lists/small/1ktwins.txt">The First 1,008 Twin Primes</a>.

%e 5^3 = 125 and so the number of digits is 3 - which is the first term in the series.

%t IntegerLength[#[[2]]^#[[1]]]&/@Select[Partition[Prime[Range[200]],2,1], #[[2]]- #[[1]] ==2&] (* _Harvey P. Dale_, Dec 10 2015 *)

%Y Cf. A086704.

%K nonn,base

%O 1,1

%A _Parthasarathy Nambi_, Apr 01 2005