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A135120 Numbers such that the digital sum base 2 and the digital sum base 3 and the digital sum base 10 all are equal. 9
1, 21, 222, 223, 1230, 1231, 1502, 2200, 2201, 3012, 3013, 10431, 12214, 12215, 12250, 12251, 14102, 15003, 15021, 16011, 20040, 20041, 22130, 23211, 23230, 23231, 24003, 30070, 30071, 30105, 30231, 30321, 31005, 31150, 31151, 31420 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..36.

EXAMPLE

a(2)=21, since ds_2(21)=ds_3(21)=ds_10(21)=3.

CROSSREFS

Cf. A000040, A007953, A054899, A131451, A133620, A133900, A134599, A135110.

Sequence in context: A008421 A134585 A165402 * A027812 A171112 A171108

Adjacent sequences:  A135117 A135118 A135119 * A135121 A135122 A135123

KEYWORD

nonn,base

AUTHOR

Hieronymus Fischer, Dec 24 2007

STATUS

approved

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Last modified December 21 23:06 EST 2014. Contains 252326 sequences.