%I #14 Jun 06 2024 09:23:16

%S 1,2,4,3,7,5,11,6,10,8,14,9,23,12,17,13,24,16,28,18,20,15,31,19,35,22,

%T 34,21,39,26,49,30,43,25,36,33,55,29,44,41,63,37,66,46,27,32,70,38,48,

%U 51,59,45,87,54,42,57,74,40,91,61,95,50,58,65,52,68,104

%N Position of n in A280864.

%C Inverse function to A280864. - _N. J. A. Sloane_, Jun 06 2024

%H Lars Blomberg and N. J. A. Sloane, <a href="/A280741/b280741.txt">Table of n, a(n) for n = 1..50440</a> [First 10000 terms from Lars Blomberg]

%Y Cf. A280864, A280742.

%Y Records: A372058, A372059.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Jan 12 2017

%E More terms from _Lars Blomberg_, Jan 13 2017