%I A002160 M2841 N1142
%S A002160 1,3,10,31,97,306,961,3020,9489,29809,93648,294204,924269,2903677,
%T A002160 9122171,28658146,90032221,282844564,888582403,2791563950,8769956796,
%U A002160 27551631843,86556004192,271923706894,854273519914,2683779414318
%N A002160 Nearest integer to pi^n.
%D A002160 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002160 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002160 A. Fletcher, J. C. P. Miller, L. Rosenhead and L. J. Comrie, An Index 
               of Mathematical Tables. Vols. 1 and 2, 2nd ed., Blackwell, Oxford 
               and Addison-Wesley, Reading, MA, 1962, Vol. 1, p. 122.
%D A002160 J. T. Peters, Ten-Place Logarithm Table. Vols. 1 and 2, rev. ed. Ungar, 
               NY, 1957, Vol. 1 (Appendix), p. 1.
%e A002160 a(0)=1 because pi^0=1. a(10)=93648 because pi^10=93648.047476...
%p A002160 a := []: Digits := 1000: for n from 0 to 50 do: a := [op(a),round(Pi^n)]: 
               od: seq(a[i+1],i=0..50);
%Y A002160 Cf. A000227.
%Y A002160 Sequence in context: A097472 A068094 A100058 this_sequence A114487 A017934 
               A005510
%Y A002160 Adjacent sequences: A002157 A002158 A002159 this_sequence A002161 A002162 
               A002163
%K A002160 nonn,easy
%O A002160 0,2
%A A002160 N. J. A. Sloane (njas(AT)research.att.com).
%E A002160 More terms from Mark Hudson (mrmarkhudson(AT)hotmail.com), Jan 29 2003