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A065762
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a(n) = (sum of first n primes)^2 + sum of (squares of first n primes).
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1
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8, 38, 138, 376, 992, 2058, 4030, 6956, 11556, 19038, 28958, 43536, 63052, 87218, 118050, 158436, 210356, 271478, 347590, 438328, 542280, 667258, 812342, 983756, 1189396, 1423918, 1684302, 1977696, 2300336, 2660354, 3097234, 3582196, 4126908, 4718214
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,500
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EXAMPLE
| a(4) = 376 because (2 + 3 + 5 + 7)^2 + (2^2 + 3^2 + 5^2 + 7^2) = 17^2 + (4 + 9 + 25 + 49) = 289 + 87 = 376.
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MATHEMATICA
| nn=50; With[{prs=Prime[Range[nn]]}, Table[Total[Take[prs, n]]^2+ Total[Take[prs, n]^2], {n, nn}]] (* From Harvey P. Dale, Aug 20 2011 *)
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PROG
| (PARI) { s=ss=0; for (n=1, 500, p=prime(n); s+=p; ss+=p^2; write("b065762.txt", n, " ", s^2 + ss) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 30 2009]
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CROSSREFS
| A065595
Sequence in context: A204076 A163832 A139798 * A034009 A038732 A038799
Adjacent sequences: A065759 A065760 A065761 * A065763 A065764 A065765
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KEYWORD
| easy,nonn
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AUTHOR
| Terrel Trotter, Jr. (ttrotter(AT)telesal.net), Dec 04 2001
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EXTENSIONS
| More terms from Harvey P. Dale, Aug 20 2011
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