A280825 Numbers with an odd number of digits and with an even number of distinct digits.

100, 101, 110, 112, 113, 114, 115, 116, 117, 118, 119, 121, 122, 131, 133, 141, 144, 151, 155, 161, 166, 171, 177, 181, 188, 191, 199, 200, 202, 211, 212, 220, 221, 223, 224, 225, 226, 227, 228, 229, 232, 233, 242, 244, 252, 255, 262, 266, 272, 277, 282, 288, 292, 299, 300, 303, 311, 313, 322, 323, 330, 331, 332, 334, 335

Offset

1,1

Links

Table of n, a(n) for n=1..65.

Eric Weisstein's World of Mathematics, Digit

Index entries for 10-automatic sequences.

Formula

A000035(A055642(a(n))) = 1.

A000035(A043537(a(n))) = 0.

a(n) = A210666(n) for n < 244.

Mathematica

Select[Range[335], Mod[Length[IntegerDigits[#1]], 2] == 1 && Mod[Length[Union[IntegerDigits[#1]]], 2] == 0 & ]

Crossrefs

Cf. A000035, A001633, A043537, A055642, A210666, A280823, A280824, A280826.

Sequence in context: A248711 A079112 A210666 * A233345 A091254 A323823

Adjacent sequences: A280822 A280823 A280824 * A280826 A280827 A280828

Keyword

nonn,base,easy

Author

Ilya Gutkovskiy, Jan 08 2017

Status

approved