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Search: id:A014901
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| A014901 |
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a(1)=1, a(n)=18*a(n-1)+n. |
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+0 1
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| 1, 20, 363, 6538, 117689, 2118408, 38131351, 686364326, 12354557877, 222382041796, 4002876752339, 72051781542114, 1296932067758065, 23344777219645184, 420205989953613327, 7563707819165039902
(list; graph; listen)
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