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 A161375 #7 Jun 05 2023 14:24:20 %S A161375 1,0,-1,-2,-4,-5,-9,-11,-17,-21,-32,-38,-58,-70,-97,-122,-170,-206, %T A161375 -284,-349,-463,-573,-752,-919,-1199,-1466,-1869,-2289,-2904,-3518, %U A161375 -4432,-5371,-6676,-8072,-9970,-11985,-14739,-17667,-21522,-25747,-31242,-37176,-44905 %N A161375 Row sums of triangle A161363. %C A161375 The partition triangle A026794 * [1, 0, -1, -2, -4, -5,...] = [1, 1, 1, 1,...]. %F A161375 Row sums of triangle A161363. %e A161375 a(4) = sum of row 4 terms, triangle A161363: (-2, -1, 0, 1). %Y A161375 Cf. A161363, A161364, A000041, A026794 %K A161375 sign %O A161375 1,4 %A A161375 _Gary W. Adamson_, Jun 07 2009 %E A161375 a(15)-a(43) from _Alois P. Heinz_, Jun 05 2023