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A079676 LookAndSay(n) is palindronomic. 1
1, 22, 112, 211, 333, 1113, 1221, 3111, 4444, 11114, 13331, 22122, 22233, 33222, 41111, 55555, 111115, 111223, 112112, 113332, 144441, 211211, 222133, 222244, 233311, 322111, 331222, 442222, 511111, 666666, 1111116, 1111224, 1112113 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..33.

EXAMPLE

LookAndSay(112) = 2112 ( two 1's, one 2), a palindrome, so 22 belongs to the sequence.

MATHEMATICA

RunLengthEncode[x_List] := (Through[{First, Length}[ #1 ]] &) /@ Split[x]; Do[a = Flatten[ RunLengthEncode[ IntegerDigits[n]]]; If[a == Reverse[a], Print[n]], {n, 1, 10^6}]

CROSSREFS

Different from A079466.

Sequence in context: A214216 A079466 A217086 * A074277 A299580 A289350

Adjacent sequences:  A079673 A079674 A079675 * A079677 A079678 A079679

KEYWORD

base,nonn

AUTHOR

Joseph L. Pe, Jan 26 2003

EXTENSIONS

More terms from Robert G. Wilson v, Jan 27 2003

STATUS

approved

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Last modified July 19 08:23 EDT 2019. Contains 325155 sequences. (Running on oeis4.)