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Fixed points of the permutations A244724 and A244732.
3

%I #5 Jul 05 2014 11:10:22

%S 1,2,5,6,10,11,12,13,17,21,22,23,24,25,29,30,46,47,51,52,53,54,58,59,

%T 69,70,71,76,79,88,89,90,98,101,111,112,113,114,118,119,120,133,137,

%U 141,142,143,148,151,160,161,177,183,184,185,189,190,191,192,193

%N Fixed points of the permutations A244724 and A244732.

%C A244724(a(n)) = A244732(a(n)) = a(n).

%H Reinhard Zumkeller, <a href="/A244731/b244731.txt">Table of n, a(n) for n = 1..10000</a>

%o (Haskell)

%o a244731 n = a244731_list !! (n-1)

%o a244731_list = [x | x <- [1..], a244724 x == x]

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Jul 05 2014