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A144799
Integers having ideal digital mean up to base 4.
7
141, 147, 153, 177, 195, 201, 225, 2079, 2109, 2418, 2424, 2508, 2652, 2868, 2892, 2898, 3102, 3126, 3150, 3228, 3282, 3288, 3300, 3312, 3342, 3354, 3366, 3378, 3384, 3426, 3462, 3468, 3474, 3504, 3522, 3528, 3696, 3792, 3846, 3852, 3864, 3912, 3936
OFFSET
1,1
COMMENTS
Subset of A031443 and A144798.
These numbers have digital mean dm(b, n) = (Sum_{i=1..d} 2*d_i - (b-1)) / (2*d) = 0, where d is the number of digits in the base b representation of n and d_i the individual digits, for 2 <= b <= 4.
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Reikku Kulon, Sep 21 2008
EXTENSIONS
Added accidentally omitted terms. - Reikku Kulon, Sep 24 2008
STATUS
approved