%I
%S 1,4,10,19,30,44,61,81,103,128,156,186,219,255,294,335,379,426,475,
%T 527,582,640,700,763,829,897,968,1042,1119,1198,1280,1365,1452,1542,
%U 1635,1731,1829,1930,2034,2141,2250,2362,2477,2594,2714,2837,2963
%N Place where nth 1 occurs in A023123.
%F a(n) = 1 + Sum_{k=1..n1} ceiling(e*k).  _Benoit Cloitre_, Jan 24 2009
%o (PARI) a(n)=1+sum(k=1,n1,ceil(exp(1)*k)) \\ _Benoit Cloitre_, Jan 24 2009
%K nonn
%O 1,2
%A _Clark Kimberling_
