id:A103739 - OEIS Search Results

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Primes which are half the sum of 2 squares of primes.

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17, 29, 37, 73, 89, 97, 109, 149, 157, 193, 229, 241, 269, 277, 349, 409, 433, 541, 601, 661, 709, 769, 829, 853, 929, 937, 1009, 1021, 1069, 1109, 1117, 1129, 1249, 1321, 1409, 1429, 1489, 1549, 1609, 1669, 1753, 1789, 1801, 1873, 2029, 2089, 2161, 2221 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000` `Walter Nissen, Home Page (listed in lieu of email address)`
	EXAMPLE	`17 is in the sequence because (3^2 + 5^2) / 2 = 17.`
	CROSSREFS	`Cf. A001248, A002313.` `Cf. A143850` `Sequence in context: A032611 A081985 A087937 this_sequence A060258 A096785 A104228` `Adjacent sequences: A103736 A103737 A103738 this_sequence A103740 A103741 A103742`
	KEYWORD	`easy,nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Mar 28 2005`
	EXTENSIONS	`Corrected and extended by Walter Nissen Jul 19 2005`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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