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Search: id:A085694
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| A085694 |
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Let f(0) = 1, f(1) = 12, f(2) = 223, f(3) = 3334, f(4) = 44445, f(5) = 555556, etc. Sequence gives limiting value of f(0), f(f(0)), f(f(f(0))), ... |
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+0
2
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| 1, 2, 2, 2, 3, 2, 2, 3, 2, 2, 3, 3, 3, 3, 4, 2, 2, 3, 2, 2, 3, 3, 3, 3, 4, 2, 2, 3, 2, 2, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 4, 4, 4, 4, 5, 2, 2, 3, 2, 2, 3, 3, 3, 3, 4, 2, 2, 3, 2, 2, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 4, 4, 4, 4, 4, 5, 2, 2, 3, 2, 2, 3, 3, 3, 3, 4
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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The positions where 1, 2, 3, 4, 5, . . . appear are 1, 2, 5, 15, 52, . . . (Bell numbers A000110).
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CROSSREFS
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Cf. A085693, A000110, A048993 = the number of occurrences of k in n-th block.
Sequence in context: A022912 A022922 A103507 this_sequence A160493 A091322 A053760
Adjacent sequences: A085691 A085692 A085693 this_sequence A085695 A085696 A085697
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KEYWORD
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nonn,easy
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AUTHOR
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DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Aug 14, 2003; extended Jun 10 2005
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