A179085 - OEIS

A179085

Odd numbers having an odd sum of digits in their decimal representation.

1, 3, 5, 7, 9, 21, 23, 25, 27, 29, 41, 43, 45, 47, 49, 61, 63, 65, 67, 69, 81, 83, 85, 87, 89, 111, 113, 115, 117, 119, 131, 133, 135, 137, 139, 151, 153, 155, 157, 159, 171, 173, 175, 177, 179, 191, 193, 195, 197, 199, 201, 203, 205, 207, 209, 221, 223, 225, 227

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OFFSET

1,2

COMMENTS

a(n) = A030142(n) for n <= 25;

intersection of A005408 and A054684: A000035(a(n))*A179081(a(n))=1;

complement of A179084 with respect to A005408;

complement of A179083 with respect to A054684;

a(n) mod 2 = 1 and A007953(a(n)) mod 2 = 1.

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..1000

Index entries for 10-automatic sequences.