login
A039093
Numbers whose base-9 representation has the same number of 2's and 5's.
0
0, 1, 3, 4, 6, 7, 8, 9, 10, 12, 13, 15, 16, 17, 23, 27, 28, 30, 31, 33, 34, 35, 36, 37, 39, 40, 42, 43, 44, 47, 54, 55, 57, 58, 60, 61, 62, 63, 64, 66, 67, 69, 70, 71, 72, 73, 75, 76, 78, 79, 80, 81, 82, 84, 85, 87, 88, 89, 90, 91, 93, 94, 96, 97, 98, 104, 108, 109, 111
OFFSET
1,3
MATHEMATICA
Select[Range[0, 120], DigitCount[#, 9, 2]==DigitCount[#, 9, 5]&] (* Harvey P. Dale, Apr 24 2012 *)
CROSSREFS
Cf. A007095.
Sequence in context: A004712 A375740 A122409 * A085925 A107907 A080804
KEYWORD
nonn,base,easy
STATUS
approved