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Search: id:A061291
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| A061291 |
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a(1) = 1; a(n+1) = a(1) + a(2)*(a(2) + a(3)*(a(3) +...+a(n-1)*(a(n-1) + a(n))...)). |
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1
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| 1, 1, 2, 4, 14, 150, 18406, 311742406, 96402927697811206, 9292975819514867485089851568784006
(list; graph; listen)
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