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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
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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FORMULA
| a(n) = (sum( A093355(k), k=1...n))^(1/n) = min { k in N | k^n - a(n-1)^(n-1) is prime } [From M. F. Hasler (www.univ-ag.fr/~mhasler), Apr 07 2009]
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PROG
| (PARI) s=0; for( n=1, 999, t=floor(sqrtn(s, n)); until( isprime( t++^n-s), ); print1(t, ", "); s=t^n) [From M. F. Hasler (www.univ-ag.fr/~mhasler), Apr 07 2009]
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CROSSREFS
| Cf. A093355.
Cf. A093928.
Sequence in context: A049309 A205118 A022405 * A067088 A065519 A058256
Adjacent sequences: A093924 A093925 A093926 * A093928 A093929 A093930
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KEYWORD
| nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 25 2004
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EXTENSIONS
| More terms from Ray G. Opao (1260(AT)email.com), Nov 29 2004
More terms from David Wasserman (dwasserm(AT)earthlink.net), Mar 06 2007
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