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A039035
Numbers whose base-7 representation has the same number of 1's and 2's.
1
0, 3, 4, 5, 6, 9, 15, 21, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 38, 39, 40, 41, 42, 45, 46, 47, 48, 51, 63, 66, 67, 68, 69, 72, 79, 86, 93, 99, 105, 108, 109, 110, 111, 120, 127, 134, 141, 147, 150, 151, 152, 153, 156, 162, 168, 171, 172, 173, 174, 175, 178, 179
OFFSET
1,2
LINKS
CROSSREFS
Cf. A007093.
Sequence in context: A128995 A293306 A014101 * A065798 A082671 A353568
KEYWORD
nonn,base,easy
STATUS
approved