A039121 Numbers whose base-10 representation has the same number of 1's and 3's.

0, 2, 4, 5, 6, 7, 8, 9, 13, 20, 22, 24, 25, 26, 27, 28, 29, 31, 40, 42, 44, 45, 46, 47, 48, 49, 50, 52, 54, 55, 56, 57, 58, 59, 60, 62, 64, 65, 66, 67, 68, 69, 70, 72, 74, 75, 76, 77, 78, 79, 80, 82, 84, 85, 86, 87, 88, 89, 90, 92, 94, 95, 96, 97, 98, 99, 103, 123, 130

Offset

1,2

Links

Table of n, a(n) for n=1..69.

Crossrefs

Sequence in context: A372119 A328107 A368829 * A138367 A360501 A376919

Adjacent sequences: A039118 A039119 A039120 * A039122 A039123 A039124

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved