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Search: id:A013581
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| A013581 |
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Let P = 2*3*5*..*p_n = n-th primorial number (A002110), G = Z_2xZ_3x...xZ_{p_n}; a(n) = max{e in G} min{i : both e+i, e-i are relatively prime to P}. |
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+0
1
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OFFSET
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1,2
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CROSSREFS
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Sequence in context: A048701 A031159 A058039 this_sequence A133997 A057909 A082702
Adjacent sequences: A013578 A013579 A013580 this_sequence A013582 A013583 A013584
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KEYWORD
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nonn
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AUTHOR
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Paw Hermansen (paw(AT)imada.ou.dk)
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EXTENSIONS
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I added the two terms a(9)=165 and a(10)=213, which were found by a computer program that searched through all numbers. Michael Hovdan (michael.hovdan(AT)gmail.com), Aug 31 2009
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