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 A187218 #13 Mar 30 2012 17:34:05 %S A187218 419,65838,723721,9455070 %N A187218 a(n) is the coefficient of the 4th term in the n-th Bruinier-Ono "partition polynomial" H_n(x), if such coefficient is an integer, otherwise a(n)=0. %C A187218 See the Bruinier-Ono paper, chapter 5 "Examples". %C A187218 The coefficient of the second term in the n-th Bruinier-Ono "partition polynomial" H_n(x) is A183011(n). %C A187218 Is there a closed formula for a(n)? %H A187218 J. H. Bruinier and K. Ono, <a href="http://www.aimath.org/news/partition/brunier-ono.pdf">Algebraic formulas for the coefficients of half-integral weight harmonic weak Maass forms</a> %e A187218 In the Bruinier-Ono paper the first "partition polynomial" is H_1(x) = x^3 - 23*x^2 + (3592/23)*x - 419 (See chapter 5 "Examples"), so a(1) = 419. %Y A187218 Cf. A183010, A183011, A187206. %K A187218 nonn,hard,more %O A187218 1,1 %A A187218 _Omar E. Pol_, Jul 09 2011