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A129884
Sequence a_{s_n} arising in enumeration of arrays of directed blocks (see Quaintance reference for precise definition), where a_n =
A129878
, s_n =
A129873
.
+0
1
1, 1, 4, 4, 16, 17, 72, 79
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Maintained by
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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.
AT&T Labs Research
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