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 A099613 #4 Feb 16 2025 08:32:55 %S A099613 1,1,10,1,13,113,1,16,171,1526,1,19,241,2551,24337,1,22,323,3956, %T A099613 43653,450066,1,25,417,5801,72689,850809,9492289,1,28,523,8146,114265, %U A099613 1496944,18689527,225159022,1,31,641,11051,171561,2487171,34358881,557947691 %N A099613 Numerator of (1+1/n)^k - (1+k/n), 2<=k<=n, triangle read by rows. %C A099613 Denominator A099615. %H A099613 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BernoulliInequality.html">Bernoulli Inequality</a> %e A099613 Triangle (1+1/n)^k - (1+k/n) starts, 2<=k<=n<=6: %e A099613 n=2: .................. 1/4, %e A099613 n=3: .............. 1/9 ____ 10/27, %e A099613 n=4: ......... 1/16 ___ 13/64 ___ 113/256, %e A099613 n=5: ..... 1/25 __ 16/125 __ 171/625 __ 1526/3125, %e A099613 n=6: . 1/36 _ 19/216 _ 241/1296 _ 2551/7776 _ 24337/46656. %Y A099613 Cf. A099614. %K A099613 nonn,tabl,frac %O A099613 1,3 %A A099613 _Reinhard Zumkeller_, Oct 25 2004