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.

A154871 Numbers n such that n^6 contains every digit exactly 4 times.

Original entry on oeis.org

3470187, 3554463, 3887058, 4328241, 4497738
Offset: 1

Views

Author

Zhining Yang, Jan 16 2009

Keywords

Comments

a(1) is also the number of A074205

Examples

			3887058^6=3449261536602702380309782557611971988544, which contains 4 times of each digit 0-9. Total 5 terms

Crossrefs

A054038 A074205 A154532 A154566 A154818

A154873 Numbers n such that n^5 contains every digit exactly 3 times.

Original entry on oeis.org

643905, 680061, 720558, 775113, 840501, 878613, 984927
Offset: 1

Views

Author

Zhining Yang, Jan 16 2009

Keywords

Comments

a(5) is also the number of A074205

Examples

			840501^5=419460598737334268928156702501, which contains exactly 3 times of each digit 0-9. Total 7 terms

Crossrefs

A054038 A074205 A154532 A154566 A154818

Programs

  • Mathematica
    Select[Range[630972,999978],Union[DigitCount[#^5]]=={3}&] (* Harvey P. Dale, May 01 2021 *)
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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