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 A136790 #11 Jun 05 2023 07:03:41 %S A136790 1,-1,2,4,-7,5,-7,32,-35,15,37,-131,228,-171,52,-94,646,-1379,1540, %T A136790 -864,203,587,-3146,8648,-12483,10308,-4588,877,-1925,17464,-55125, %U A136790 98923,-106834,69951,-25717,4140,13606,-98053,367914,-781241,1044519,-898394,486811,-152169,21147 %N A136790 Triangle read by rows: A011971 * A007318^(-1). %C A136790 Row sums = the Bell numbers, A000110: (1, 1, 2, 5, 15, 203, ...). %C A136790 A136789 = A011971 * A130595. [Corrected by _Georg Fischer_, Jun 05 2023] %F A136790 Product of the Aitken triangle (A011971) and the inverse of Pascal's Triangle (A007318). %e A136790 First few rows of the triangle: %e A136790 1; %e A136790 -1, 2; %e A136790 4, -7, 5; %e A136790 -7, 32, -35, 15; %e A136790 37, -131, 228, -171, 52; %e A136790 -94, 646, -1379, 1540, -864, 203; %e A136790 ... %Y A136790 Cf. A000110, A130595, A136789. %K A136790 tabl,sign %O A136790 0,3 %A A136790 _Gary W. Adamson_, Jan 21 2008 %E A136790 a(28) = -1925 corrected by _Georg Fischer_, Jun 05 2023