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Search: id:A135989
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| A135989 |
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An odd nonprime sequence. |
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+0
1
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OFFSET
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0,1
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COMMENT
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The sequence gives (all?) the odd numbers which are divisible by 3
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LINKS
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Stefano Maruelli, More information
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FORMULA
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a(n) = 6*n+3+90*floor((6*n+3)/10); branch b(k)= a(n)+12*k+90*floor((a(n)/100)
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EXAMPLE
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a(0) = 3, b(0) = a(0), b(1)= 15 b(2) = 27
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CROSSREFS
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Sequence in context: A078221 A018716 A018725 this_sequence A125652 A018746 A053914
Adjacent sequences: A135986 A135987 A135988 this_sequence A135990 A135991 A135992
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KEYWORD
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nonn,uned
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AUTHOR
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Stefano Maruelli and Paola Paoloni (robotec(AT)netsurf.it), Mar 02 2008
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