a(0) = a(1) = 1; a(n+2) = 2*a(n+1) + 2*a(n).
1, 1, 4, 10, 28, 76, 208, 568, 1552, 4240, 11584, 31648, 86464, 236224, 645376
2 seqfan posts
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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