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A093927
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n-th root of the n-th partial sum of A093355.
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3
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2, 2, 3, 4, 47, 28, 71, 80, 57, 52, 77, 62, 75, 154, 243, 236, 183, 448, 341, 380, 603, 508, 411, 1060, 837, 686, 765, 658, 569, 506, 479, 588, 1315, 2826, 3709, 2964, 2585, 2536, 2139, 1876, 1643, 1656, 1405, 1824, 1739, 1624, 1557, 1462, 1775, 1936, 1809, 1762
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OFFSET
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1,1
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LINKS
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FORMULA
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a(n) = (Sum_{k=1..n} A093355(k))^(1/n) = min { k in N | k^n - a(n-1)^(n-1) is prime }. - M. F. Hasler, Apr 07 2009
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PROG
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(PARI) s=0; for( n=1, 999, t=floor(sqrtn(s, n)); until( isprime( t++^n-s), ); print1(t, ", "); s=t^n) \\ M. F. Hasler, Apr 07 2009
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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