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 A251598 #24 Jan 16 2024 12:11:07 %S A251598 1,1,3,15,105,944,10340,133055,1958060,32279090,586453658,11589971918, %T A251598 246518371679,5594169454700,134456679614850,3402014360391645, %U A251598 90146180439817440,2490533922180210720,71468389947184389600,2123114263550335500000 %N A251598 Dimension of space of invariant tensors in 2n-th tensor power of natural representation of Sp(8). %H A251598 Juan B. Gil, Peter R. W. McNamara, Jordan O. Tirrell, and Michael D. Weiner, <a href="https://arxiv.org/abs/1708.00513">From Dyck paths to standard Young tableaux</a>, arXiv:1708.00513 [math.CO], 2017. %F A251598 0=256*(2*n-1)*(n-1)*(n+3)*(2*n-3)*a(n-2)-4*(2*n-1)*(10*n^3+137*n^2+521*n+432)*a(n-1)+(n+4)*(n+7)*(n+9)*(n+10)*a(n), (conjectured). - _Michael D. Weiner_, Apr 07 2016 %o A251598 (LiE) p_tensor(2*n,[1,0,0,0],C4)|[0,0,0,0] %Y A251598 Cf. A251593, A251594, A251596. %K A251598 nonn %O A251598 0,3 %A A251598 _Bruce Westbury_, Dec 05 2014