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Search: id:A039665
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| A039665 |
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Sets of 4 consecutive numbers with equal number of divisors. |
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+0
7
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| 242, 243, 244, 245, 3655, 3656, 3657, 3658, 4503, 4504, 4505, 4506, 5943, 5944, 5945, 5946, 6853, 6854, 6855, 6856, 7256, 7257, 7258, 7259, 8392, 8393, 8394, 8395, 9367, 9368, 9369, 9370, 10983, 10984, 10985, 10986, 11605, 11606, 11607, 11608
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Taking the first entry in each set gives A006601.
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REFERENCES
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D. Wells, Curious and interesting numbers, Penguin Books, p. 134
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CROSSREFS
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Cf. A000005, A005237, A005238, A006601, A049051, A006558, A019273.
Sequence in context: A120377 A060110 A113468 this_sequence A023703 A094908 A070284
Adjacent sequences: A039662 A039663 A039664 this_sequence A039666 A039667 A039668
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KEYWORD
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nonn
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AUTHOR
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Felice Russo (felice.russo(AT)katamail.com)
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EXTENSIONS
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More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1999
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