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Search: id:A106621
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A106621 Numerator of n/(n+20). +0
1
0, 1, 1, 3, 1, 1, 3, 7, 2, 9, 1, 11, 3, 13, 7, 3, 4, 17, 9, 19, 1, 21, 11, 23, 6, 5, 13, 27, 7, 29, 3, 31, 8, 33, 17, 7, 9, 37, 19, 39, 2, 41, 21, 43, 11, 9, 23, 47, 12, 49, 5, 51, 13, 53, 27, 11, 14, 57, 29, 59, 3, 61, 31, 63, 16, 13, 33, 67, 17, 69, 7, 71, 18, 73, 37, 15, 19, 77, 39, 79 (list; graph; listen)
OFFSET

0,4

PROGRAM

(Other) sage: [lcm(20, n)/20for n in xrange(0, 80)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 12 2009]

CROSSREFS

Sequence in context: A140211 A097706 A132740 this_sequence A011085 A112508 A088749

Adjacent sequences: A106618 A106619 A106620 this_sequence A106622 A106623 A106624

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 15 2005

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.


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