A375213 Even numbers with equal numbers of even and odd digits.

10, 12, 14, 16, 18, 30, 32, 34, 36, 38, 50, 52, 54, 56, 58, 70, 72, 74, 76, 78, 90, 92, 94, 96, 98, 1010, 1012, 1014, 1016, 1018, 1030, 1032, 1034, 1036, 1038, 1050, 1052, 1054, 1056, 1058, 1070, 1072, 1074, 1076, 1078, 1090, 1092, 1094, 1096, 1098, 1100

Offset

1,1

Comments

Numbers with an odd digit length cannot be in this sequence.

Links

Jake L Lande, Table of n, a(n) for n = 1..1000

Example

1010 is even and has two even digits (0,0) and two odd digits (1,1).

Mathematica

eeo[n_] := (id = IntegerDigits[n]; Count[EvenQ@id, True] == Count[OddQ@id, True]); Select[Select[Range[1100], eeo], Mod[#, 2] == 0 &]

Crossrefs

Subsequence of A227870 and hence A001637.

Complement of A375214 within A227870.

Sequence in context: A227870 A007958 A179083 * A092132 A088170 A329522

Adjacent sequences: A375207 A375209 A375212 * A375214 A375215 A375217

Keyword

nonn,base,easy

Author

Jake L Lande, Aug 05 2024

Status

approved