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Search: id:A087870
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| A087870 |
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Primes of the form (4n+1)^2 + (4m+2)^2 where n=1,2,3.., m=1,2,3.. |
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+0
1
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| 61, 181, 269, 277, 349, 389, 509, 541, 613, 653, 661, 701, 757, 773, 821, 877, 941, 1069, 1109, 1117, 1181, 1237, 1301, 1597, 1613, 1693, 1733, 1741, 1789, 1877, 1933, 1997, 2053, 2069, 2141, 2221, 2269, 2357, 2389, 2437, 2557, 2741, 2789, 2837, 2909
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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Union[Select[Flatten[Table[(4n+1)^2+(4m+2)^2, {n, 100}, {m, 100}]], PrimeQ]] - T. D. Noe (noe(AT)sspectra.com), Nov 02 2006
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PROGRAM
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(PARI) fourmp1a(n) = { for(y=1, n, for(x=1, n, z=(4*y+1)^2+(4*x+2)^2; if(isprime(z), print1(z", "); break) ); ) }
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CROSSREFS
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Sequence in context: A057216 A139993 A088955 this_sequence A121513 A139508 A087871
Adjacent sequences: A087867 A087868 A087869 this_sequence A087871 A087872 A087873
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KEYWORD
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nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Oct 10 2003
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EXTENSIONS
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Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 02 2006
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