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A052652
A simple regular expression in a labeled universe.
+0
1
0, 0, 0, 0, 24, 240, 2880, 40320, 645120, 11612160, 232243200, 5109350400, 122624409600, 3188234649600, 89270570188800, 2678117105664000, 85699747381248000, 2913791410962432000, 104896490794647552000
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 3 22:15 EST 2009. Contains 170310 sequences.
AT&T Labs Research
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