%I #6 Jan 19 2018 01:41:21
%S 1,1,3,1,7,13,1,11,41,63,1,15,85,231,321,1,19,145,575,1289,1683,1,23,
%T 221,1159,3649,7183,8989,1,27,313,2047,8361,22363,40081,48639,1,31,
%U 421,3303,16641,56695,134245,224143,265729,1,35,545,4991,29961,124515,369305
%N Left-hand half of triangle A297191.
%H Rémy Sigrist, <a href="/A297192/b297192.txt">Rows n = 0..100 of triangle, flattened</a>
%H Rémy Sigrist, <a href="/A297192/a297192.gp.txt">PARI program for A297192</a>
%o (PARI) See Links section.
%Y Cf. A008288, A297191.
%K nonn,tabl,easy
%O 0,3
%A _N. J. A. Sloane_, Jan 10 2018
%E More terms from _Rémy Sigrist_, Jan 19 2018