A061833 Multiples of 11 having only odd digits.
11, 33, 55, 77, 99, 319, 517, 539, 715, 737, 759, 913, 935, 957, 979, 1111, 1133, 1155, 1177, 1199, 1331, 1353, 1375, 1397, 1551, 1573, 1595, 1771, 1793, 1991, 3113, 3135, 3157, 3179, 3311, 3333, 3355, 3377, 3399, 3531, 3553, 3575, 3597, 3751, 3773, 3795
Offset: 1
Examples
1353 = 11*123 is a term having all odd digits.
Links
- Harvey P. Dale, Table of n, a(n) for n = 1..1000
- Index entries for 10-automatic sequences.
Programs
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Mathematica
Select[11*Range[400],AllTrue[IntegerDigits[#],OddQ]&] (* The program uses the AllTrue function from Mathematica version 10 *) (* Harvey P. Dale, Aug 30 2015 *)
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PARI
is(n)=n%22==11 && #setintersect(Set(digits(n)), [0,2,4,6,8])==0 \\ Charles R Greathouse IV, Feb 15 2017
Extensions
Corrected and extended by Larry Reeves (larryr(AT)acm.org), May 30 2001