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.

A170828 Partial sums of A170827.

Original entry on oeis.org

0, 5, 12, 27, 40, 69, 94, 131, 169, 212, 254, 321, 381, 448, 508, 593, 666, 743, 814, 893, 988, 1095, 1201, 1301, 1396, 1516, 1611, 1748, 1891, 2037, 2175, 2315, 2462, 2628, 2800, 2963, 3135, 3312, 3492, 3685, 3843, 4017, 4188, 4372, 4549, 4737, 4925, 5148, 5360
Offset: 0

Views

Author

Michel Lagneau, Dec 28 2009

Keywords

References

  • G. Choquet, Répartition des nombres k(3/2)^n, mesures et ensembles associés, C.R. Acad. Sci. Paris, 290 (31 mars 1980) 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), 69-74.
  • A. D. Pollington, Progressions arithmétiques généralisées et le problème des (3/2)^n, C. R. Acad. Sci. Paris, 292 (16 fevrier 1981) 383--384.

Programs

  • Mathematica
    td[n_]:=Module[{rd=RealDigits[(3/2)^n]},Total[Drop[rd[[1]],rd[[2]]]]]; Accumulate[Array[td,60,0]] (* Harvey P. Dale, Dec 13 2011 *)

Extensions

Edited and corrected by N. J. A. Sloane, Dec 28 2009