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Search: id:A133558
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| A133558 |
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a(n)=a(n-1)+9*a(n-2) for n>=2, a(0)=1, a(1)=2 . |
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+0 6
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| 1, 2, 11, 29, 128, 389, 1541, 5042, 18911, 64289, 234488, 813089, 2923481, 10241282, 36552611, 128724149, 457697648, 1616214989, 5735493821, 20281428722, 71900873111, 254433731609, 901541589608, 3191445174089, 11305319480561
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