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 A214075 #8 Jul 13 2013 12:04:28 %S A214075 1,1,0,1,1,0,1,2,1,0,1,3,4,2,0,1,4,7,6,2,0,1,5,12,14,8,2,0,1,6,17,26, %T A214075 22,11,2,0,1,7,24,44,49,34,13,2,0,1,8,31,68,93,83,47,16,2,0,1,9,40, %U A214075 100,162,177,131,64,19,2,0,1,10,49,140,263,340,309 %N A214075 Triangle read by rows: T(n,k) = floor(A213998(n,k) / A213999(n,k)), 0<=k<=n. %C A214075 T(n,0) = 1; %C A214075 T(n,1) = n - 1 for n > 0, cf. A001477; %C A214075 T(n,2) = A074148(n-2) for n > 2; %C A214075 T(n,n-2) = A022819(n) for n > 1; %C A214075 T(n,n-1) = A055980(n) for n > 0; %C A214075 T(n,n) = A000007(n). %H A214075 Reinhard Zumkeller, <a href="/A214075/b214075.txt">Rows n = 0..150 of triangle, flattened</a> %e A214075 Start of triangle preceded by triangle "A213998/A213999": %e A214075 . 0: 1 1 %e A214075 . 1: 1 1/2 1 0 %e A214075 . 2: 1 3/2 1/3 1 1 0 %e A214075 . 3: 1 5/2 11/6 1/4 1 2 1 0 %e A214075 . 4: 1 7/2 13/3 25/12 1/5 1 3 4 2 0 %e A214075 . 5: 1 9/2 47/6 77/12 137/60 1/6 1 4 7 6 2 0 %e A214075 . 6: 1 11/2 37/3 57/4 87/10 49/20 1/7, 1 5 12 14 8 2 0. %o A214075 (Haskell) %o A214075 a214075 n k = a214075_tabl !! n !! k %o A214075 a214075_row n = a214075_tabl !! n %o A214075 a214075_tabl = zipWith (zipWith div) a213998_tabl a213999_tabl %K A214075 nonn,tabl %O A214075 0,8 %A A214075 _Reinhard Zumkeller_, Jul 03 2012