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 A200977 #26 Oct 30 2018 10:31:02 %S A200977 3,27,99,297,891,1683,8019,5049,18513,15147,649539,31977,314721, %T A200977 136323,166617,95931,10673289,351747,64304361,287793,1499553,8450649, %U A200977 127680201,863379,20160657,99379467,5979699,5180274,1235641473,3165723,50984802,3933171 %N A200977 Smallest number expressible in the form a^2 + 2b^2, with positive integers a and b, in exactly n ways. %C A200977 Incidentally all terms are multiples of 3. %e A200977 3 = 1+2*1^2. %e A200977 27 = 3+2*3^2 = 5^2+2*1^2. %e A200977 99 = 1+2*7^2 = 7^2+2*5^2 = 9^2+2*3^2. %Y A200977 Cf. A154777 (numbers of the form a^2 + 2b^2 with positive integers a, b). %K A200977 nonn %O A200977 1,1 %A A200977 _Zak Seidov_, Nov 29 2011