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 1-3 of 3 results.

A039617 Solution to a "self-describing sequence" puzzle of Raphael Robinson.

Original entry on oeis.org

1, 0, 11, 1, 2, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 1, 9
Offset: 0

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			From _Eric Angelini_, Mar 03 2020: (Start)
This finite sequence must be read like this:
there is 1 digit 0 in the sequence;
there are 11 digits 1 in the sequence;
there are 2 digits 2 in the sequence;
there is 1 digit 3 in the sequence; etc.
(End)
		

Crossrefs

Cf. A039616.

A104786 a(n) = least member of A047841 with n digits, or 0 if no such number exists.

Original entry on oeis.org

0, 22, 0, 0, 0, 0, 0, 10213223, 0, 1031223314, 0, 0, 0, 10413223241516, 0, 1051322314251617, 0, 106132231415261718, 1011112131415161718, 10713223141516271819, 101112213141516171819
Offset: 1

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Lekraj Beedassy, Mar 25 2005

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Edited by David Wasserman, Apr 17 2008

A104787 a(n) = greatest member of A047841 with n digits, or 0 if no such number exists.

Original entry on oeis.org

0, 22, 0, 0, 0, 0, 0, 31331819, 0, 3122331819, 0, 0, 0, 41322324171819, 0, 5132232516171819, 0, 613223141526171819, 1111213141516171819, 10713223141516271819, 101112213141516171819
Offset: 1

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Author

Lekraj Beedassy, Mar 25 2005

Keywords

Crossrefs

Extensions

Edited by David Wasserman, Apr 17 2008
Showing 1-3 of 3 results.