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.

A162859 Numbers n such that 9n^2 is a zeroless pandigital number.

Original entry on oeis.org

3942, 4121, 4181, 4892, 5227, 5321, 6024, 6341, 6459, 6523, 6543, 6772, 7629, 7673, 7726, 7813, 8079, 8092, 8147, 8269, 8353, 8524, 8647, 8803, 8911, 9043, 9091, 9678, 9702, 10128
Offset: 1

Views

Author

Zak Seidov, Jul 14 2009

Keywords

Crossrefs

Cf. A071519 Numbers whose square is a zeroless pandigital number.

Programs

  • Mathematica
    With[{c=Range[9]},Select[Range[11000],Sort[IntegerDigits[9 #^2]]== c&]] (* Harvey P. Dale, Jun 26 2011 *)

Formula

A071519(n)/3.

Extensions

Edited by Charles R Greathouse IV, Aug 02 2010