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 A011544 #20 Jul 08 2025 07:47:45 %S A011544 3,27,272,2718,27183,271828,2718282,27182818,271828183,2718281828, %T A011544 27182818285,271828182846,2718281828459,27182818284590, %U A011544 271828182845905,2718281828459045,27182818284590452,271828182845904524,2718281828459045235,27182818284590452354,271828182845904523536 %N A011544 Decimal expansion of e rounded to n places. %H A011544 Paolo Xausa, <a href="/A011544/b011544.txt">Table of n, a(n) for n = 0..995</a> %t A011544 A011544 = Round[E 10^#] &; Array[A011544, 17, 0] (* _JungHwan Min_, Mar 04 2017 *) %o A011544 (PARI) a(n)=round(exp(1)*10^n) \\ _Charles R Greathouse IV_, Mar 05 2017 %Y A011544 Cf. A001113, A011552, A011546, A011548. %K A011544 nonn,easy,base %O A011544 0,1 %A A011544 _N. J. A. Sloane_ %E A011544 More terms from _Paolo Xausa_, Jul 08 2025