References to A057819

a(0)=4, a(1)=9, a(n)=4a(n-1)-a(n-2).
4, 9, 32, 119, 444, 1657, 6184, 23079, 86132, 321449, 1199664, 4477207, 16709164

1 seqfan posts

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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