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%I #7 Mar 30 2012 17:26:42
%S 3976733,8053483,9942523,10197427,15126557,28623773,32269037,34438387,
%T 36627413,39593803,47812747,49120843,55066867,69909667,78068443,
%U 80024213,83402597,89512483,97799033,101652883,106675637,116621213,120317683,128241067
%N Integers n such that A047988(n)=4.
%D Thomas Kantke, Mathematische Unterhaltungen, Spectrum der Wissenschaft, April 1993, pp. 11-13.
%Y Cf. A047836, A047984-A047988.
%K nonn
%O 1,1
%A Thomas Kantke (bytes.more(AT)ibm.net)
%E More terms from _Max Alekseyev_, Jun 13 2011
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