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A135140 Numbers n such that n and n^2 do not contain successive identical digits. 1
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 13, 14, 16, 17, 18, 19, 23, 24, 25, 26, 27, 28, 29, 31, 32, 36, 37, 39, 41, 42, 43, 45, 48, 49, 51, 52, 53, 54, 56, 57, 59, 61, 63, 64, 68, 69, 71, 72, 73, 74, 75, 78, 79, 81, 82, 84, 86, 87, 89, 91, 92, 93, 95, 96, 97, 98, 101, 102, 103, 104, 121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[0, 150], Count[Differences[IntegerDigits[#]], 0] == Count[ Differences[IntegerDigits[#^2]], 0]==0&] (* Harvey P. Dale, Mar 14 2012 *)

CROSSREFS

A subset of A050741.

Sequence in context: A007377 A305932 A213882 * A052061 A045540 A119509

Adjacent sequences:  A135137 A135138 A135139 * A135141 A135142 A135143

KEYWORD

base,nonn

AUTHOR

Zak Seidov, Feb 13 2008

STATUS

approved

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Last modified June 25 10:04 EDT 2022. Contains 354844 sequences. (Running on oeis4.)