%I A054226
%S A054226 1,1,2,2,7,10,19,34,60,112,214,400,761,1450,2774,5341,10322,19992,
%T A054226 38823,75551,147250,287503,562102,1100266,2155940,4228715,8301245,
%U A054226 16309119,32064447,63082900,124181649,244597440,482026958,950392529
%N A054226 Number of positive integers <= 2^n of form x^2 + 11 y^2.
%Y A054226 Sequence in context: A095021 A101372 A133374 this_sequence A000024 A005223 
               A118680
%Y A054226 Adjacent sequences: A054223 A054224 A054225 this_sequence A054227 A054228 
               A054229
%K A054226 nonn
%O A054226 0,3
%A A054226 David W. Wilson (davidwwilson(AT)comcast.net)