%I #14 Oct 08 2015 07:10:45
%S 4,7,8,19,55,149,497,1799,6696,26109,106953
%N Number of pairs of terms of the sequence A228126 less than 10^n.
%H Giovanni Resta, <a href="http://www.numbersaplenty.com/set/eRAP/">eRAPs: the 446139 terms < 10^12</a>
%H Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_719.htm">Extension to Ruth Aaron pairs</a>
%Y Cf. A001414, A006145 Ruth-Aaron numbers (1): sum of prime divisors of n = sum of prime divisors of n+1, A228126 Sum of prime divisors of n (with repetition) is one less than the sum of prime divisors (with repetition) of n+1.
%K nonn,hard,more
%O 1,1
%A _Abhiram R Devesh_, Jun 14 2014