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A098942 Numbers where 4 is the only even decimal digit. 0
4, 14, 34, 41, 43, 44, 45, 47, 49, 54, 74, 94, 114, 134, 141, 143, 144, 145, 147, 149, 154, 174, 194, 314, 334, 341, 343, 344, 345, 347, 349, 354, 374, 394, 411, 413, 414, 415, 417, 419, 431, 433, 434, 435, 437, 439, 441, 443, 444, 445, 447, 449, 451, 453, 454 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This is a regular language in base 10. [Charles R Greathouse IV, Oct 05 2011]

LINKS

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

PROG

(Perl) for (0..1000) {

    print "$_, " if (/^[134579]*4[134579]*$/)

} # Charles R Greathouse IV, Oct 05 2011

CROSSREFS

Sequence in context: A266020 A185441 A032645 * A011554 A099586 A253001

Adjacent sequences:  A098939 A098940 A098941 * A098943 A098944 A098945

KEYWORD

base,easy,nonn

AUTHOR

Eric Angelini, Oct 21 2004

STATUS

approved

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Last modified February 20 22:51 EST 2019. Contains 320362 sequences. (Running on oeis4.)