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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A309406 Absolute lucky numbers: every permutation of digits is a lucky number.

Original entry on oeis.org

1, 3, 7, 9, 13, 15, 31, 33, 37, 51, 73, 99, 111, 115, 151, 339, 393, 511, 777, 933, 9999, 33333, 55555, 111111, 777777, 7777777, 55555555
Offset: 1

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Author

Hauke Löffler, Jul 29 2019

Keywords

Comments

More terms are in A031882, as A031882 is a subset of this sequence.
No more terms below 10^9. - Amiram Eldar, Nov 16 2019

Examples

			a(6) = 15 because 15 and 51 are lucky numbers.
a(14) = 115 because (115, 151, 511) are all lucky numbers.

Crossrefs

Cf. A000959, A118561, A031882, A003459.

Extensions

a(25)-a(27) from Amiram Eldar, Nov 16 2019
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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