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 A370417 #6 Feb 18 2024 10:32:46
%S A370417 1,4,48,64,1280,1024,86016,16384,2949120,1310720,11534336,4194304,
%T A370417 1526726656,2348810240,2415919104,1073741824,73014444032,17179869184,
%U A370417 27419071217664,1924145348608,3809807790243840,241892558110720,404620279021568,351843720888320,823314306878668800
%N A370417 a(n) = denominator(N(1/2, n, 1)) where N(a, n, x) is the n-th Nørlund polynomial.
%H A370417 Niels Erik Nørlund, <a href="http://www-gdz.sub.uni-goettingen.de/cgi-bin/digbib.cgi?PPN373206070">Vorlesungen über Differenzenrechnung</a>, Springer 1924.
%t A370417 Table[Denominator@NorlundB[n, 1/2, 1], {n, 0, 24}]
%Y A370417 Cf. A370414, A370415, A370416.
%K A370417 nonn,frac
%O A370417 0,2
%A A370417 _Peter Luschny_, Feb 18 2024