%I #7 Mar 19 2024 03:32:36

%S 1,3,6,10,28,36,45,78,91,105,136,406,465,561,666,703,946,1081,3240,

%T 6555,7260,9045,32640,46971,47586,48828,51360,70876,72390,94395,

%U 319600,719400,903840,914628,4862521,5092836,5112003,5131206,6898755,7108335,9122856

%N Triangular numbers k*(k+1)/2 such that A068865(k) = k*(k+1)/2.

%Y Cf. A068855, A068865.

%K base,nonn

%O 1,2

%A _Amarnath Murthy_, Mar 13 2002

%E Missing 36 inserted and more terms from _Sean A. Irvine_, Mar 18 2024