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Search: id:A123364
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| A123364 |
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Primes of the form a^2 + b^3 (with repetition). |
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+0
1
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| 2, 5, 17, 17, 31, 37, 43, 73, 89, 89, 101, 113, 127, 197, 223, 233, 233, 241, 257, 269, 283, 337, 347, 353, 359, 379, 401, 443, 449, 449, 487, 521, 577, 577, 593, 593, 599, 677, 701, 733, 743, 811, 827, 829, 919, 953, 1009, 1019, 1049, 1051, 1097, 1129, 1153
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Primes in A022549, A123291. Cf. A066649 Primes of the form a^2 + b^3 (without repetition), with a, b > 0.
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EXAMPLE
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Each of 17, 89, 233 appears two times because 17=3^2+2^3=4^2+1^3,
89=5^2+4^3=9^2+2^3, 233=13^2+4^3=15^2+2^3;
2089 appears three times because 2089=19^2+12^3=33^2+10^3=45^2+4^3;
65537 appears four times because 65537=122^2+37^3=219^2+26^3=255^2+8^3=256^2+1^3.
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CROSSREFS
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Cf. A022549, A066649, A123291.
Sequence in context: A033835 A005529 A057282 this_sequence A025553 A075544 A104247
Adjacent sequences: A123361 A123362 A123363 this_sequence A123365 A123366 A123367
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KEYWORD
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nonn
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Oct 12 2006
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