OEIS is running again
Antti Karttunen
antti.karttunen at gmail.com
Tue May 23 21:01:18 CEST 2006
N. J. A. Sloane wrote:
>let me know if there are problems
>
>
>we are still fine-tuning the "graph" button
>
>but try it on a random sequence, the plots look great!
>
>
>
Some of the permutations of integers produce nice "citadels" and "mesas".
Gray Code http://www.research.att.com/~njas/sequences/table?a=3188&fmt=5
and its inverse:
http://www.research.att.com/~njas/sequences/table?a=6068&fmt=5
http://www.research.att.com/~njas/sequences/table?a=61579&fmt=5
http://www.research.att.com/~njas/sequences/table?a=64614&fmt=5
http://www.research.att.com/~njas/sequences/table?a=72733&fmt=5
http://www.research.att.com/~njas/sequences/table?a=57163&fmt=5
http://www.research.att.com/~njas/sequences/table?a=48679&fmt=5
http://www.research.att.com/~njas/sequences/table?a=57114&fmt=5
http://www.research.att.com/~njas/sequences/table?a=65281&fmt=5
http://www.research.att.com/~njas/sequences/table?a=85180&fmt=5
etc.
Also many 2-regular sequences like A000120 and such.
(A000120 currently doesn't work, but
http://www.research.att.com/~njas/sequences/table?a=106487&fmt=5
is almost similar).
http://www.research.att.com/~njas/sequences/table?a=59015&fmt=5
Many exponential, combinatorial sequences look dull in contrast.
Stern-Brocot tree related:
http://www.research.att.com/~njas/sequences/table?a=7305&fmt=5
http://www.research.att.com/~njas/sequences/table?a=65658&fmt=5
etc, etc, etc.
BTW, as I'm writing this, OEIS seems to be quite slow to respond some
times. Too many random plotters?
Terveisin,
Antti
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