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.

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A223080 Numbers n with distinct digits such that the reversal of n divides n.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 510, 540, 810, 5610, 5940, 8712, 8910, 9801, 65340, 87120, 87912, 659340, 879120
Offset: 1

Views

Author

N. J. A. Sloane, Mar 20 2013

Keywords

Comments

Suggested by A214927.
There are no terms with 7 digits.
Sequence is complete. - Giovanni Resta, Mar 20 2013

Examples

			8712 reversed is 2178, which divides 8712.
		

Crossrefs

Programs

  • Mathematica
    Select[Range[10^6],Max[DigitCount[#]]==1&&Divisible[#,IntegerReverse[#]]&] (* Harvey P. Dale, Jun 21 2022 *)

A223082 Number of n-digit numbers N with distinct digits such that N divides the reversal of N.

Original entry on oeis.org

9, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
Offset: 1

Views

Author

N. J. A. Sloane, Mar 20 2013

Keywords

Comments

The definition implies that N does not end in 0.
The numbers N are listed in A223081.
a(n) = 0 for n > 5.

Crossrefs

Cf. A223081 (the actual numbers), A214927, A222810, A223080.

Extensions

Entry revised by N. J. A. Sloane, Jul 04 2021
Showing 1-2 of 2 results.