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 A156938 #4 Jun 02 2025 01:24:16 %S A156938 1,2,-640,-55050240,2678771102515200,138029104604220676374528000, %T A156938 -12755118515091679234002154772496384000000, %U A156938 -3319735985081076411622842555075338617937492705280000000000 %N A156938 Row sums of the FP4 polynomials of A156933. %C A156938 The row sums of the FP4 have simple prime factors. %Y A156938 Row sums of A156933. %K A156938 easy,sign %O A156938 0,2 %A A156938 _Johannes W. Meijer_, Feb 20 2009