A107838 Leftmost digit of a(n) represents the number of odd digits in a(n); rightmost digit of a(n) represents the number of even digits in a(n).

102, 122, 142, 162, 182, 211, 231, 251, 271, 291, 2112, 2132, 2152, 2172, 2192, 2312, 2332, 2352, 2372, 2392, 2512, 2532, 2552, 2572, 2592, 2712, 2732, 2752, 2772, 2792, 2912, 2932, 2952, 2972, 2992, 3011, 3031, 3051, 3071, 3091, 3101, 3121, 3141, 3161

Offset

1,1

Links

Table of n, a(n) for n=1..44.

Example

102 has one odd digit ("1") and two even digits ("0" and "2"); 122 has one odd digit ("1") and two even digits ("2" and "2"); etc.

Crossrefs

Sequence in context: A097037 A035480 A181986 * A095637 A023059 A015165

Adjacent sequences: A107835 A107836 A107837 * A107839 A107840 A107841

Keyword

base,easy,nonn

Author

Eric Angelini, Jun 12 2005

Status

approved