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.

A031310 Write n in base 10, complement each digit and juxtapose.

Original entry on oeis.org

8, 7, 6, 5, 4, 3, 2, 1, 0, 8, 9, 8, 8, 8, 7, 8, 6, 8, 5, 8, 4, 8, 3, 8, 2, 8, 1, 8, 0, 7, 9, 7, 8, 7, 7, 7, 6, 7, 5, 7, 4, 7, 3, 7, 2, 7, 1, 7, 0, 6, 9, 6, 8, 6, 7, 6, 6, 6, 5, 6, 4, 6, 3, 6, 2, 6, 1, 6, 0, 5, 9, 5, 8, 5, 7, 5, 6, 5, 5, 5, 4, 5, 3, 5, 2, 5, 1, 5, 0, 4
Offset: 1

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Comments

Decimal expansion of 1 minus the Champernowne constant, with offset 0. Example: 0.8765432108988878685848382818... (see A033307). - Omar E. Pol, Jan 31 2009

Crossrefs

Cf. A033307.

Programs

  • Mathematica
    9 - Flatten[ IntegerDigits@ Range@ 50] (* Robert G. Wilson v, Jul 01 2014 *)