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A098941 Numbers where 2 is the only even decimal digit. 2
2, 12, 21, 22, 23, 25, 27, 29, 32, 52, 72, 92, 112, 121, 122, 123, 125, 127, 129, 132, 152, 172, 192, 211, 212, 213, 215, 217, 219, 221, 222, 223, 225, 227, 229, 231, 232, 233, 235, 237, 239, 251, 252, 253, 255, 257, 259, 271, 272, 273, 275, 277, 279, 291, 292 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This is a 10-automatic language. - Charles R Greathouse IV, Oct 05 2011

LINKS

Table of n, a(n) for n=1..55.

Index entries for 10-automatic sequences

MATHEMATICA

Select[Range[300], Union[Select[IntegerDigits[#], EvenQ]]=={2}&] Harvey P. Dale, May 20 2012

PROG

(Perl) for (0..1000) {

    print "$_, " if (/^[123579]*2[123579]*$/)

} # Charles R Greathouse IV, Oct 05 2011

CROSSREFS

Sequence in context: A145610 A185399 A096108 * A231875 A031001 A048955

Adjacent sequences:  A098938 A098939 A098940 * A098942 A098943 A098944

KEYWORD

base,easy,nonn

AUTHOR

Eric Angelini, Oct 21 2004

STATUS

approved

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Last modified October 27 13:45 EDT 2021. Contains 348276 sequences. (Running on oeis4.)