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A002160 Nearest integer to pi^n.
(Formerly M2841 N1142)
2
1, 3, 10, 31, 97, 306, 961, 3020, 9489, 29809, 93648, 294204, 924269, 2903677, 9122171, 28658146, 90032221, 282844564, 888582403, 2791563950, 8769956796, 27551631843, 86556004192, 271923706894, 854273519914, 2683779414318 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

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.

J. T. Peters, Ten-Place Logarithm Table. Vols. 1 and 2, rev. ed. Ungar, NY, 1957, Vol. 1 (Appendix), p. 1.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..25.

EXAMPLE

a(0)=1 because pi^0=1. a(10)=93648 because pi^10=93648.047476...

MAPLE

a := []: Digits := 1000: for n from 0 to 50 do: a := [op(a), round(Pi^n)]: od: seq(a[i+1], i=0..50);

CROSSREFS

Cf. A000227.

Sequence in context: A097472 A068094 A100058 * A214839 A114487 A017934

Adjacent sequences:  A002157 A002158 A002159 * A002161 A002162 A002163

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Mark Hudson (mrmarkhudson(AT)hotmail.com), Jan 29 2003

STATUS

approved

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Last modified December 2 23:29 EST 2016. Contains 278694 sequences.