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 A030815 #15 Mar 14 2020 13:09:34 %S A030815 1,1,3,11,44,220,1323,9263,74109,666985,6669851,73368371,880420460, %T A030815 11445465992,160236523888,2403547858330,38456765733280, %U A030815 653765017465772,11767770314383911,223587635973294318,4471752719465886368,93906807108783613747,2065949756393239502442 %N A030815 a(n) = floor(exp(14/23) * n!). %e A030815 14/23 = 0.60869565217391304347826... %e A030815 e^(14/23) = 1.838032400991473194432... %e A030815 floor(e^(14/23) * 1!) = 1, so a(1) = 1. %e A030815 e^(14/23) * 2! = 3.67606480198294638886471465..., so a(2) = 3. %e A030815 e^(14/23) * 3! = 11.028194405948839166594143961..., so a(3) = 11. %e A030815 e^(14/23) * 4! = 44.112777623795356666376575845..., so a(4) = 44. %t A030815 Floor[E^(14/23) Range[20]!] (* _Alonso del Arte_, Mar 08 2020 *) %Y A030815 Cf. A021027 (1/23). %K A030815 nonn,easy %O A030815 0,3 %A A030815 _Simon Plouffe_