A180428 - OEIS

%I #2 Mar 30 2012 17:23:31

%S 1,2,6,3,10,16,19,22,11,4,64,25,5,20,17,9,27,35,7,31,37,41,15,52,60,

%T 55,33,47,57,134,75,68,71,80,65,62,78,8,82,151,85,18,14,87,21,141,89,

%U 13,23,28,131,94,101,193,109,106,113,116,233,122,111,145,170,24,124

%N Inverse permutation of A180427. Also the absolute values of the first differences of A180427.

%F a(n) = | A180427(n+1) - A180427(n) |.

%Y Cf. A180427 Inverse Permutation of this sequence.

%K nonn

%O 1,2

%A _Andrew Weimholt_, Sep 04 2010