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A033997
Numbers n such that sum of first n primes is a square.
+0
4
9, 2474, 6694, 7785, 709838, 126789311423
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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