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Search: id:A092209
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| A092209 |
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Smallest number k such that k, k+2, k+4, ..., k+2n are semiprimes. |
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4
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OFFSET
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0,1
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COMMENT
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Semiprimes in arithmetic progression. All terms are odd, except for the first two. See also A056809.
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LINKS
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Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
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CROSSREFS
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First entry in A001358, A092207, A092125, A092126, A092127, A092128, A092129, A082919 respectfully.
Sequence in context: A107053 A068376 A131592 this_sequence A068337 A009534 A009559
Adjacent sequences: A092206 A092207 A092208 this_sequence A092210 A092211 A092212
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KEYWORD
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nonn,fini,full
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com) and Zak Seidov (zakseidov(AT)yahoo.com), Feb 24 2004
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