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Search: id:A080288
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| A080288 |
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Successively larger gaps between Ulam numbers. |
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+0
3
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| 1, 2, 3, 8, 9, 10, 12, 20, 27, 30, 34, 39, 41, 42, 69, 78, 100, 122, 137, 262, 315, 587, 631
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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The lower term of the gaps is in A080287.
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EXAMPLE
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87 and 97 are successive Ulam numbers and this is the first gap of 10 or larger, so 10 is in the sequence.
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CROSSREFS
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Cf. A002858, A080287.
Sequence in context: A047476 A037462 A037318 this_sequence A047360 A004825 A028821
Adjacent sequences: A080285 A080286 A080287 this_sequence A080289 A080290 A080291
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KEYWORD
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nonn
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AUTHOR
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Jud McCranie (j.mccranie(AT)comcast.net), Feb 12 2003
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EXTENSIONS
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23rd term found by Donald Knuth [From Jud McCranie (j.mccranie(AT)comcast.net), Aug 22 2008]
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