A039153 Numbers whose base-10 representation has the same number of 7's and 8's.

0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20, 21, 22, 23, 24, 25, 26, 29, 30, 31, 32, 33, 34, 35, 36, 39, 40, 41, 42, 43, 44, 45, 46, 49, 50, 51, 52, 53, 54, 55, 56, 59, 60, 61, 62, 63, 64, 65, 66, 69, 78, 87, 90, 91, 92, 93, 94, 95, 96, 99, 100, 101, 102

Offset

1,3

Links

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

Mathematica

Select[Range[0, 150], DigitCount[#, 10, 7]==DigitCount[#, 10, 8]&] (* Harvey P. Dale, Jan 12 2020 *)

Crossrefs

Sequence in context: A039265 A073599 A039204 * A272574 A039111 A037475

Adjacent sequences: A039150 A039151 A039152 * A039154 A039155 A039156

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved