a(n)=2*(a(n-1)+a(n-2)), a(0)=0, a(1)=1.
0, 1, 2, 6, 16, 44, 120, 328, 896, 2448, 6688, 18272, 49920, 136384, 372608
4 seqfan posts
Sun Jul 24 21:44:00 CEST 2011 [seqfan] Some OEIS-related YouTube videos
Fri Mar 11 13:57:44 CET 2011 [seqfan] Re: Period lengths of k^2 mod n not in OEIS ?
Thu Feb 5 17:23:06 CET 2009 [seqfan] More conjectures on sequence products
Sun Jan 11 23:36:02 CET 2009 [seqfan] Index of linear recurrences
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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