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 A116938 #22 Dec 19 2024 11:27:23 %S A116938 1,1,1,0,1,1,0,0,0,1,1,1,0,0,1,1,0,0,1,0,0,1,0,1,1,1,0,0,0,1,1,0,1,0, %T A116938 1,0,0,1,1,0,1,1,1,0,1,1,0,1,0,1,1,0,1,1,1,0,0,1,1,0,0,0,0,1,1,0,0,1, %U A116938 1,1,0,1,0,0,0,1,1,1,0,1,1,1,0,1,0,0,0,1,0,0,0,0,0,0,1,1,0,1,0,1,1,0,1,1,0 %N A116938 Expansion of e^2 in base 2. %D A116938 Steven R. Finch, Mathematical Constants, Cambridge, 2003, Section 1.3. %D A116938 Eli Maor, e: The Story of a Number, Princeton Univ. Press, 1994. %H A116938 John Cosgrave, <a href="https://www.johnbcosgrave.com/archive/esquared.htm">links to "New Proofs of the Irrationality of e^2 and e^4."</a> %e A116938 111.010001000000 (base 2) ~ 7.389056098930650... (base 10) ~ e^2. 100 decimal places precision here. %t A116938 RealDigits[E^2, 2, 100] (* _Stefan Steinerberger_, Mar 30 2006 *) %Y A116938 Cf. A001113 (e), A072334 (e^2), A090142 (e^2-e). %Y A116938 Cf. A090143 (e^3-2e^2+e/2), A089139 (e^4-3e^3+2e^2-e/6), A090143 (e^3-2e^2+e/2). %Y A116938 Cf. A001671 (powers of e rounded up), A107586 (powers of e^(1/e) rounded up). %K A116938 base,cons,nonn %O A116938 3,1 %A A116938 _Jonathan Vos Post_, Mar 21 2006