References to A056123

a(n)=3a(n-1)-a(n-2); a(0)=1, a(1)=11.
1, 11, 32, 85, 223, 584, 1529, 4003, 10480, 27437, 71831, 188056, 492337, 1288955

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
Links to OEIS content are included according to The OEIS End-User License Agreement .