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Search: id:A131591
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| A131591 |
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Sum of the squares of the first 3^n primes. |
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+0
1
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| 4, 38, 1556, 86606, 4083404, 171658094, 6716224724, 247782290006, 8763080657420, 299863491723614, 9990667099305740, 325847250824377382, 10445562407382412028
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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The sum of the squares of the first 3^1 primes = 4+9+25 = 38, the second entry in the sequence.
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PROGRAM
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(PARI) sumprimesq(n, b) = { local(x, y, s, a); for(y=0, n, s=0; for(x=1, b^y, s+=prime(x)^2; ); print1(s", "); ) }
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CROSSREFS
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Sequence in context: A084286 A001187 A093377 this_sequence A030259 A018860 A016484
Adjacent sequences: A131588 A131589 A131590 this_sequence A131592 A131593 A131594
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KEYWORD
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nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)hotmail.com), Aug 30 2007
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