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.

Showing 1-2 of 2 results.

A065147 100 written in base 15-n.

Original entry on oeis.org

72, 79, 84, 91, 100, 121, 144, 202, 244, 400, 1210, 10201, 1100100, 1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
Offset: 1

Views

Author

Bodo Zinser, Nov 19 2001

Keywords

Comments

The term 111....1111 should officially be called the "unary expansion", since in base 1 only the digit 0 may appear.

Crossrefs

Cf. A065004.

A208090 100 written in base -n.

Original entry on oeis.org

110100100, 10201, 13330, 400, 324, 202, 244, 271, 100, 121, 144, 169, 172
Offset: 2

Views

Author

Radu Borza, Mar 07 2012

Keywords

Crossrefs

Cf. A065004.

Programs

  • Mathematica
    (* From MathWorld *) NegativeIntegerDigits[0, n_Integer?Negative] := {0}; NegativeIntegerDigits[i_, n_Integer?Negative] := Rest@Reverse@Mod[NestWhileList[(# - Mod[#, -n])/n &, i, # != 0 &], -n]; Table[FromDigits[NegativeIntegerDigits[100, -n]], {n, 2, 14}]
Showing 1-2 of 2 results.