%I #6 Apr 03 2015 10:55:04
%S 1,3,5,6,7,9,10,11,13,14,15,17,18,19,20,22,23,26,27,28,30,31,32,33,34,
%T 35,36,37,38,39,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,
%U 59,60,61,62,63,64,65,66,67,68,71,72,73,74,75,76,77,78
%N Numbers m such that A256541(m) = -1 or = +1.
%C abs(A166133(n+1) - A166133(n)) = abs(A256541(n)) = 1.
%H Reinhard Zumkeller, <a href="/A256543/b256543.txt">Table of n, a(n) for n = 1..10000</a>
%o (Haskell)
%o a256543 n = a256543_list !! (n-1)
%o a256543_list = [x | x <- [1..], abs (a256541 x) == 1]
%Y Cf. A256541, A166133.
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Apr 02 2015