A271866 - OEIS

%I #7 Apr 19 2016 02:38:02

%S 1,2,4,3,11,5,7,8,6,9,17,13,10,14,12,15,20,22,16,19,25,21,18,23,35,31,

%T 24,28,33,40,26,29,32,30,27,45,34,59,38,44,36,43,47,41,37,42,39,73,46,

%U 52,50,55,48,54,57,61,49,51,58,56,53,70,60,75,64,74,62

%N Inverse of A271865.

%H Max Barrentine, <a href="/A271866/b271866.txt">Table of n, a(n) for n = 1..1017</a>

%Y Cf. A271865.

%K nonn

%O 1,2

%A _Max Barrentine_, Apr 16 2016