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.

A204544 Fractional part of (3/2)^n without the decimal point.

Original entry on oeis.org

0, 5, 25, 375, 625, 59375, 390625, 859375, 62890625, 443359375, 6650390625, 49755859375, 746337890625, 6195068359375, 92926025390625, 893890380859375, 8408355712890625, 26125335693359375, 891880035400390625, 8378200531005859375, 25673007965087890625
Offset: 0

Views

Author

Michel Lagneau, Jan 16 2012

Keywords

Examples

			a(4) = 625 because (3/2)^4 = 5.0625.
		

References

  • G. Choquet, Répartition des nombres k(3/2)^n, mesures et ensembles associés, C.R. Acad. Sci. Paris, 290 (31 mars 1980), pp. 575-580.
  • G. Choquet, Construction effective de suites (k(3/2)^n). Etude des mesures (3/2)-stables, C.R. Acad. Sci. Paris, 291 (29 septembre 1980), pp. 69-74.

Crossrefs

Programs

  • Maple
    for n from 1 to 20 do: Digits:=30:x:= 1.5 ^n:y:=floor((x-floor(x))*10^n): printf(`%d, `,y):
    od:
  • Mathematica
    Table[FractionalPart[(3/2)^n]*10^n, {n, 0, 30}] (* T. D. Noe, Jan 18 2012 *)