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 A036502 #7 Jul 08 2025 21:44:56 %S A036502 1,1,1,2,25,9,2401,2048,59049,15625,214358881,248832,137858491849, %T A036502 564950498,21357421875,2199023255552,168377826559400929,282429536481, %U A036502 288441413567621167681,1600000000000000,1962371317204369449,11119834626984462962 %N A036502 Numerator of n^(n-2)/n!. %e A036502 1, 1/2, 1/2, 2/3, 25/24, 9/5, 2401/720, 2048/315, 59049/4480, 15625/567, 214358881/3628800, ... %Y A036502 Cf. A036503, A036504. %K A036502 nonn,frac %O A036502 1,4 %A A036502 _N. J. A. Sloane_