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Search: id:A125115
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| A125115 |
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Differences between consecutive abundant numbers. |
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+0
2
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| 6, 2, 4, 6, 6, 4, 2, 6, 6, 2, 4, 6, 4, 2, 6, 2, 4, 4, 2, 6, 4, 2, 2, 4, 4, 2, 6, 6, 6
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(1)=6 because 18-12=6; a(4)=6 because 30-24=6
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MATHEMATICA
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#[[2]]-#[[1]]&/@Partition[Select[Range[300], DivisorSigma[1, # ]>2#&], 2, 1] - Harvey P. Dale (hpd1(AT)nyu.edu), Dec 02 2006
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CROSSREFS
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Cf. A005101.
Sequence in context: A084945 A010493 A061496 this_sequence A020831 A156590 A135617
Adjacent sequences: A125112 A125113 A125114 this_sequence A125116 A125117 A125118
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KEYWORD
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easy,nonn
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AUTHOR
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Jason G. Wurtzel (j_seq(AT)wurtzel.com), Nov 21 2006
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