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Search: id:A026523
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| A026523 |
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a(n) = T(n,n-3), T given by A026519. Also a(n) = number of integer strings s(0),...,s(n), counted by T, such that s(n)=3. |
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| 1, 2, 8, 16, 52, 104, 319, 635, 1910, 3786, 11304, 22344, 66514, 131264, 390266, 769578, 2286996, 4508580, 13397075, 26412001, 78489235, 154773696, 460030947, 907432695, 2697786052, 5323519838, 15830906756, 31251588060
(list; graph; listen)
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