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Search: id:A052989
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A052989 A simple regular expression. +0
1
1, 0, 1, 1, 3, 3, 7, 10, 19, 29, 52, 84, 145, 239, 407, 678, 1146, 1918, 3232, 5421, 9121, 15314, 25749, 43252, 72701, 122146, 205282, 344931, 579662, 974038, 1636836, 2750523, 4622090, 7766989, 13051877, 21932553, 36855997, 61933449, 104074334 (list; graph; listen)
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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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