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A069484
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Prime(n+1)^2 + prime(n)^2.
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17
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13, 34, 74, 170, 290, 458, 650, 890, 1370, 1802, 2330, 3050, 3530, 4058, 5018, 6290, 7202, 8210, 9530, 10370, 11570, 13130, 14810, 17330, 19610, 20810, 22058, 23330, 24650, 28898, 33290, 35930, 38090, 41522, 45002
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| a(n)=A001248(n+1)+A001248(n)=A000040(n+1)^2+A000040(n)^2;
a(n)=A048851(n+1);
together with A069482(n) and A069486(n) a Pythagorean triangle is formed with area = A069487(n).
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LINKS
| Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
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MATHEMATICA
| Table[Prime[n]^2+Prime[n+1]^2, {n, 5!}] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 12 2010]
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PROG
| (PARI) v=primes(101); vector(#v-1, i, v[i]^2+v[i+1]^2) \\ Charles R Greathouse IV, Aug 21 2011
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CROSSREFS
| Cf. A069485, A075892.
Sequence in context: A190458 A180673 A081752 * A089113 A067430 A082214
Adjacent sequences: A069481 A069482 A069483 * A069485 A069486 A069487
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KEYWORD
| nonn,easy
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AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 29 2002
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