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 A179974 #9 May 17 2016 08:12:03 %S A179974 1,1,1,1,1,2,1,1,2,2,6,1,1,2,2,6,6,24,1,1,2,6,2,6,24,6,24,24,120,1,1, %T A179974 2,6,2,6,24,24,6,24,120,24,120,120,720,1,1,2,6,24,2,6,24,24,120,6,24, %U A179974 120,120,720,24,120,720,120,720,720,5040,1,1,2,6,24,2,6,24,120,24,120,720,6,24,120,120,720,720,24,120,720,720,5040,120,720,5040 %N A179974 Triangle read by rows: T(n,k) = (n-A049085(n,k))! in columns 1<=k<=A000041(n), rows n>=1. %C A179974 Since A049085 is a resortment of A036043 both A179972 and A179974 have row sums equal to A179973. %e A179974 Triangle begins %e A179974 1; %e A179974 1,1; %e A179974 1,1,2; %e A179974 1,1,2,2,6; %e A179974 1,1,2,2,6,6,24; %e A179974 1,1,2,6,2,6,24,6,24,24,120; %e A179974 1,1,2,6,2,6,24,24,6,24,120,24,120,120,720; %e A179974 1,1,2,6,24,2,6,24,24,120,6,24,120,120,720,24,120,720,120,720,720,5040; %e A179974 1,1,2,6,24,2,6,24,120,24,120,720,6,24,120,120,720,720,24,120,720,720,5040,120,720,5040,720,5040,5040,40320, %Y A179974 Cf. A000041 (row lengths), A179973 (row sums), A036042, A049085 (max part). %K A179974 nonn,tabf %O A179974 1,6 %A A179974 _Alford Arnold_, Aug 05 2010