cp's OEIS Frontend

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.

A061293 a(n) = floor( n^e ), e = 2.718281828...

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%I A061293 #14 Mar 17 2015 10:08:41
%S A061293 1,6,19,43,79,130,198,285,392,522,677,858,1066,1304,1573,1875,2211,
%T A061293 2583,2992,3440,3927,4457,5029,5646,6309,7019,7777,8585,9445,10356,
%U A061293 11322,12343,13419,14554,15747,17000,18315,19692,21133,22638,24210
%N A061293 a(n) = floor( n^e ), e = 2.718281828...
%C A061293 A000290(n) <= a(n) <= A000578(n). - _Reinhard Zumkeller_, Mar 17 2015
%H A061293 Reinhard Zumkeller, <a href="/A061293/b061293.txt">Table of n, a(n) for n = 1..1000</a>
%e A061293 a(5) = floor(5^e) = floor(79.4323591662132397382254690058565...) = 79.
%p A061293 for n from 1 to 150 do printf("%d,",floor(n^exp(1))) od;
%t A061293 a[n_]:=Floor[n^E]; (* _Vladimir Joseph Stephan Orlovsky_, Dec 12 2008 *)
%o A061293 (Haskell)
%o A061293 a061293 = floor . (** exp 1) . fromIntegral
%o A061293 -- _Reinhard Zumkeller_, Mar 17 2015
%Y A061293 Cf. A000149.
%Y A061293 Cf. A000290, A000578.
%K A061293 nonn,easy
%O A061293 1,2
%A A061293 _Amarnath Murthy_, Apr 26 2001
%E A061293 More terms from Winston C. Yang (winston(AT)cs.wisc.edu), May 19 2001