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A117230
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Start with 1 and repeatedly reverse the digits and add 1 to get the next term.
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7
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| N. J. A. Sloane, Sequences of RADD type
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FORMULA
| Has period 9.
a(n)=2+[(n-2) mod 9]-9*{C[2*(n-1),n-1] mod 2}, with n>=1 [From Paolo P. Lava (paoloplava(AT)gmail.com), Oct 21 2008]
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MAPLE
| read transforms; t1:=[1]; for n from 1 to 80 do t1:=[op(t1), 1+digrev(t1[n])]; od:
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CROSSREFS
| Cf. A117830, A117521, A117828, A117800, A117816, A117817.
Sequence in context: A106612 A056960 A103693 * A093882 A138953 A053392
Adjacent sequences: A117227 A117228 A117229 * A117231 A117232 A117233
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KEYWORD
| nonn,base
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), following discussions with Luc Stevens, May 04 2006
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EXTENSIONS
| Correction to the terms of the sequence (inserted missing term) Jeremy Gardiner (jeremy.gardiner(AT)btinternet.com), Jun 17 2010
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