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Search: id:A079739
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| A079739 |
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Primes of the form x^2 + y^2 + 2 (x,y nonnegative). |
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+0
5
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| 2, 3, 7, 11, 19, 31, 43, 47, 67, 83, 103, 127, 139, 151, 199, 223, 227, 263, 271, 283, 307, 367, 379, 443, 463, 479, 487, 523, 547, 571, 587, 607, 619, 631, 643, 659, 691, 727, 787, 811, 823, 859, 883, 907, 911, 967, 983, 1019, 1039, 1051, 1063, 1091, 1231
(list; graph; listen)
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OFFSET
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1,1
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MAPLE
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S := {}: for x from 0 to 100 do for y from 0 to 100 do S := S union {x^2+y^2+2} od:od:S := sort(convert(S, list)): for i from 1 to 500 do if isprime(S[i]) then printf(`%d, `, S[i]) fi:od:
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CROSSREFS
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Cf. A079545, A079740.
Sequence in context: A129386 A064270 A062576 this_sequence A055502 A003173 A139630
Adjacent sequences: A079736 A079737 A079738 this_sequence A079740 A079741 A079742
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KEYWORD
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nonn,easy
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AUTHOR
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njas, Feb 18 2003
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EXTENSIONS
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More terms and Maple code from James A. Sellers (sellersj(AT)math.psu.edu), Feb 25 2003
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