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A110410
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a(1) = 10, a(n+1) = {a(n) followed by digit reversal(a(n))}/11.
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0
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OFFSET
| 1,1
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COMMENTS
| a(1) = 10 is chosen because for n = say d <=9, the sequence is trivially d,d,d,d,d,d,...
The next term has 129 digits (From Harvey P. Dale, Feb 20 2011 *)
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EXAMPLE
| a(2) = 1001/11=91, a(3) = 9119/11=829.
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MATHEMATICA
| nxt[n_]:=Module[{idn=IntegerDigits[n]}, FromDigits[Join[idn, Reverse[idn]]]/11]
NestList[nxt, 10, 8] (* From Harvey P. Dale, Feb 20 2011 *)
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CROSSREFS
| Sequence in context: A002452 A096261 A015455 * A051789 A015467 A144783
Adjacent sequences: A110407 A110408 A110409 * A110411 A110412 A110413
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KEYWORD
| base,easy,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 30 2005
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EXTENSIONS
| More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 10 2006
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