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Search: id:A054007
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| A054007 |
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Numbers n such that n and n+1 have the same sum but an unequal number of divisors. |
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+0
4
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| 206, 957, 1364, 2974, 4364, 14841, 18873, 19358, 20145, 24957, 36566, 56564, 74918, 79826, 79833, 92685, 111506, 116937, 138237, 147454, 161001, 162602, 174717, 190773, 193893, 201597, 230390, 274533, 347738, 416577, 422073, 430137
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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Members of A002961 which are not members of A054004
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CROSSREFS
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Cf. A000005, A000203, A002961, A005237, A053249, A054004, A054005, A054006.
Sequence in context: A025343 A113934 A113490 this_sequence A133149 A080530 A045069
Adjacent sequences: A054004 A054005 A054006 this_sequence A054008 A054009 A054010
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KEYWORD
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nonn
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AUTHOR
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Asher Auel (asher.auel(AT)reed.edu) Jan 12, 2000
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EXTENSIONS
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More terms from Jud McCranie (j.mccranie(AT)comcast.net), Oct 15 2000
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