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Search: id:A133469
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| A133469 |
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a(n)=a(n-1)+7*a(n-2) for n>=2, a(0)=1, a(1)=2 . |
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+0 1
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| 1, 2, 9, 23, 86, 247, 849, 2578, 8521, 26567, 86214, 272183, 875681, 2780962, 8910729, 28377463, 90752566, 289394807, 924662769, 2950426418, 9423065801, 30076050727, 96037511334, 306569866423, 978832445761, 3124821510722
(list; graph; listen)
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