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%I #11 Jun 29 2014 13:56:30
%S 19,1028,63326,4417267,336418691,27095099730,2264740360646,
%T 194526458511192,17050085068702458,1517704371492095702,
%U 136758640772944755122,12445444666179480674989,1141852084948606732236114,105483948921834512942168239
%N First differences of A136021.
%F a(n) = A136021(n)-A136021(n-1).
%e a(1)=19 because at 10^0 the prime divisor sum in A136021 is zero, so 19-0=19. From the second sum in A136021, 1047, subtract 19, so that a(2) = 1028.
%Y Cf. A136021.
%K more,nonn
%O 1,1
%A _Enoch Haga_, Dec 10 2007, Dec 12 2007
%E a(6) from R. J. Mathar, Dec 12 2007
%E Edited by _R. J. Mathar_, Apr 17 2009
%E a(7)-a(11) from _Max Alekseyev_, Jan 30 2012
%E a(12)-a(14) from _Hiroaki Yamanouchi_, Jun 29 2014
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