%I

%S 1,4,9,17,27,40,55,73,93,116,141,168,198,230,265,302,342,384,429,476,

%T 525,577,631,688,747,809,873,940,1009,1081,1155,1231,1310,1391,1475,

%U 1561,1650,1741,1835,1931,2029,2130,2233,2339,2447,2558,2671,2787

%N Place where n-th 1 occurs in A023127.

%K nonn

%O 1,2

%A _Clark Kimberling_

%E Missing 2339 inserted by _Sean A. Irvine_, May 21 2019