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 A251591 #18 Jan 16 2024 12:10:21 %S A251591 1,1,4,35,560,14973,589743,30078048,1824041570,125400975830, %T A251591 9507019477382,78070828079199,68560287232877740,6376178095301876005, %U A251591 623169409884847073730,636070059202675270255520,6745818886029778590765570,740194253157571009569356970 %N A251591 Dimension of space of invariant tensors in 2n-th tensor power of the third fundamental representation of Sp(6). %o A251591 (LiE) p_tensor(2*n,[0,0,1],C3)|[0,0,0] %Y A251591 Cf. A138540, A138550. %K A251591 nonn,more %O A251591 0,3 %A A251591 _Bruce Westbury_, Dec 05 2014