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%I #4 Dec 17 2014 20:53:47
%S 8,13,14,34,139,140,383,960,1609,2064,5487,7171,7715,21059,22523,
%T 24148,91924,117728,200193,304381,609147,866933,920405,930571,985939
%N Fixed points of permutations A249990 and A252448.
%C A249990(a(n)) = A252448(a(n)) = a(n).
%o (Haskell)
%o a252458 n = a252458_list !! (n-1)
%o a252458_list = [x | x <- [1..], a249990 x == x]
%Y Cf. A249990, A252448.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Dec 17 2014
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