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 A113452 #18 Mar 29 2024 02:15:13 %S A113452 1,1,1,1,2,2,2,2,4,4,4,4,4,8,8,8,8,8,8,16,16,16,16,16,16,16,32,32,32, %T A113452 32,32,32,32,32,64,64,64,64,64,64,64,64,64 %N A113452 a(n) is the n-th smallest permanental minor of any H_m (m >= n), where H_m is the square matrix of order m with 1's on or below the superdiagonal and 0's elsewhere. %H A113452 D. D. Olesky, B. L. Shader and P. van den Driessche, <a href="https://doi.org/10.37236/1967">Permanents of Hessenberg (0,1)-matrices</a>, Electronic Journal of Combinatorics, 12 (2005) #R70. %Y A113452 Cf. A034856, A113453, A113454, A113455. %K A113452 nonn,more %O A113452 1,5 %A A113452 Bryan Shader (bshader(AT)uwyo.edu), Jan 07 2006