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A026554
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a(n)=T(n,n-1), T given by A026552. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=1.
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1
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1, 2, 4, 10, 19, 52, 98, 278, 526, 1516, 2887, 8389, 16073, 46936, 90386, 264842, 512128, 1504432, 2918954, 8592094, 16716998, 49288856, 96119927, 283795571, 554524660, 1639174304, 3208254571, 9493241125, 18607536319, 55108565584
(list; graph; refs; listen; history; internal format)
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