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Search: id:A103766
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| A103766 |
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Primes equal to the sum of two integers squares, integers whose sum form prime(n) congruent 1 (mod 4). |
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+0
1
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OFFSET
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1,1
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EXAMPLE
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a(1)=17 because 4^2+1^2=17 and 4+1=prime(3)=5;
a(2)=97 because 9^2+4^2=97 and 9+4=prime(6)=13;
a(3)=257 because 16^2+1^2=257 and 16+1=prime(7)=17.
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CROSSREFS
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Sequence in context: A081593 A078901 A078902 this_sequence A008514 A044268 A044649
Adjacent sequences: A103763 A103764 A103765 this_sequence A103767 A103768 A103769
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KEYWORD
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easy,nonn
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AUTHOR
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Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Mar 29 2005
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