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 A194312 #5 Mar 30 2012 18:57:42 %S A194312 2,2,2,3,2,3,4,5,4,3,6,7,6,6,7,10,11,11,11,11,10,18,18,18,18,18,19,19, %T A194312 32,32,31,32,32,33,32,32,57,58,56,57,57,56,59,56,56,104,102,101,103, %U A194312 103,102,102,103,102,102,187,186,186,186,187,185,187,186,186,187 %N A194312 Triangular array: g(n,k)=number of fractional parts (i*e) in interval [(k-1)/n, k/n], for 1<=i<=2^n, 1<=k<=n. %C A194312 See A194285. %e A194312 First eight rows: %e A194312 2 %e A194312 2...2 %e A194312 3...2...3 %e A194312 4...5...4...3 %e A194312 6...7...6...6...7 %e A194312 10..11..11..11..11..10 %e A194312 18..18..18..18..18..19..19 %e A194312 32..32..31..32..32..33..32..32 %t A194312 r = E; %t A194312 f[n_, k_, i_] := If[(k - 1)/n <= FractionalPart[i*r] < k/n, 1, 0] %t A194312 g[n_, k_] := Sum[f[n, k, i], {i, 1, 2^n}] %t A194312 TableForm[Table[g[n, k], {n, 1, 14}, {k, 1, n}]] %t A194312 Flatten[%] (* A194312 *) %Y A194312 Cf. A194285. %K A194312 nonn,tabl %O A194312 1,1 %A A194312 _Clark Kimberling_, Aug 21 2011