This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A244733 #14 Jul 17 2014 22:28:36 %S A244733 38,86,161,614,662,998,1145,1355,1829,2189,2483,4607,5027,5315,6377, %T A244733 7199,8258,11435,13214,15611,17933,19574,20153,21305,21878,24014, %U A244733 26867,30599,32738,34199,36077,38387,38777,40778,42422,46211,51509,52874,56618,58541,59987 %N A244733 Semiprimes sp such that sp plus its digit sum is a perfect square. %H A244733 K. D. Bajpai, <a href="/A244733/b244733.txt">Table of n, a(n) for n = 1..1150</a> %e A244733 86 is in the sequence because 86 = 2* 43, which is semiprime. Also, 86 + (8 + 6) = 100 = 10^2. %e A244733 614 is in the sequence because 614 = 2* 307, which is semiprime. Also, 614 + (6 + 1 + 4) = 625 = 25^2. %t A244733 Select[Range[50000], PrimeOmega[#] == 2 && IntegerQ[Sqrt[# + Apply[Plus, IntegerDigits[#]]]] &] %Y A244733 Cf. A007953, A028839, A048519, A107288, A244863. %K A244733 nonn,base %O A244733 1,1 %A A244733 _K. D. Bajpai_, Jul 12 2014