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 A339032 #4 Nov 28 2020 12:46:38 %S A339032 1,1,3,10,31,86,219,526,1215,2734,6043,13190,28527,61270,130875, %T A339032 278302,589567,1244894,2621115,5504662,11533935,24116806,50331163, %U A339032 104857070,218103231,452984206,939523419,1946156326,4026531055,8321498294,17179868283,35433479230 %N A339032 Expansion of (4*x^5 - 9*x^4 + 17*x^3 - 15*x^2 + 6*x - 1)/((2*x - 1)^2*(x - 1)^3). %p A339032 gf := (4*x^5 - 9*x^4 + 17*x^3 - 15*x^2 + 6*x - 1)/((2*x - 1)^2*(x - 1)^3): %p A339032 ser := series(gf, x, 33): seq(coeff(ser, x, n), n=0..31); %Y A339032 Row sums of A339031. %Y A339032 Cf. A339030. %K A339032 nonn %O A339032 0,3 %A A339032 _Peter Luschny_, Nov 24 2020