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 A098945 Numbers where 1 is the only odd decimal digit. 2
 1, 10, 11, 12, 14, 16, 18, 21, 41, 61, 81, 100, 101, 102, 104, 106, 108, 110, 111, 112, 114, 116, 118, 120, 121, 122, 124, 126, 128, 140, 141, 142, 144, 146, 148, 160, 161, 162, 164, 166, 168, 180, 181, 182, 184, 186, 188, 201, 210, 211, 212, 214, 216, 218 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS This is a 10-automatic language. - Charles R Greathouse IV, Oct 05 2011 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 MAPLE A[1]:= {0, 2, 4, 6, 8}: B[1]:= {1}: for i from 2 to 3 do   A[i]:= A[i-1] union map(t -> seq(x*10^(i-1)+t, x=[2, 4, 6, 8]), A[i-1]);   B[i]:= B[i-1] union map(t -> seq(x*10^(i-1)+t, x=[2, 4, 6, 8]), B[i-1]) union map(t -> 10^(i-1)+t, A[i-1] union B[i-1]); od: sort(convert(B[3], list)); # Robert Israel, May 07 2020 PROG (Perl) for (0..1000) {     print "\$_, " if (/^[012468]*1[012468]*\$/) } # Charles R Greathouse IV, Oct 05 2011 CROSSREFS Sequence in context: A262393 A031089 A110186 * A323190 A046431 A108697 Adjacent sequences:  A098942 A098943 A098944 * A098946 A098947 A098948 KEYWORD base,easy,nonn AUTHOR Eric Angelini, Oct 21 2004 STATUS approved

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Last modified August 1 22:36 EDT 2021. Contains 346408 sequences. (Running on oeis4.)