a(n)=(12-7*6^n)/5.
1, 6, 48, 300, 1812, 10884, 65316, 391908, 2351460, 14108772
1 seqfan posts
Fri Aug 20 05:08:53 CEST 2010 [seqfan] on fox hunting
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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