%I #8 Mar 19 2022 00:24:50
%S 1,2,3,4,5,6,7,8,9,10,15,11,12,13,14,20,21,28,36,16,17,18,19,26,27,35,
%T 44,45,55,66,22,23,24,25,33,34,43,53,54,65,29,30,31,32,41,42,52,63,64
%N Inverse permutation to A194056; every positive integer occurs exactly once.
%t (See A194056.)
%Y Cf. A194056.
%K nonn
%O 1,2
%A _Clark Kimberling_, Aug 13 2011