%I A002994 M4468
%S A002994 0,1,8,2,6,1,2,3,5,7,1,1,1,2,2,3,4,4,5,6,8,9,1,1,1,1,1,1,2,2,2,2,3,3,3,
4,
%T A002994 4,5,5,5,6,6,7,7,8,9,9,1,1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,3,3,3,3,
%U A002994 3,3,3,4,4,4,4,4,4,5,5,5,5,5,6,6,6,6,7,7,7,7,8,8,8,8,9,9,9,1
%N A002994 Initial digits of cubes.
%D A002994 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences,
Academic Press, 1995 (includes this sequence).
%H A002994 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
GelfandsQuestion.html">Gelfand's Question</a>
%t A002994 a[n_]:=First[IntegerDigits[n^3]];lst={};Do[AppendTo[lst,a[n]],{n,0,5!}];
lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 21 2008]
%Y A002994 a(n)=A000030(A000578(n)), A143464, A002993. [From Reinhard Zumkeller
(reinhard.zumkeller(AT)gmail.com), Aug 17 2008]
%Y A002994 Sequence in context: A008830 A109614 A020787 this_sequence A097408 A093207
A019660
%Y A002994 Adjacent sequences: A002991 A002992 A002993 this_sequence A002995 A002996
A002997
%K A002994 nonn,easy,base
%O A002994 0,3
%A A002994 N. J. A. Sloane (njas(AT)research.att.com).
|