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A023693 Numbers with exactly 2 1's in ternary expansion. +0
2
4, 10, 12, 14, 16, 22, 28, 30, 32, 34, 36, 38, 42, 44, 46, 48, 50, 52, 58, 64, 66, 68, 70, 76, 82, 84, 86, 88, 90, 92, 96, 98, 100, 102, 104, 106, 108, 110, 114, 116, 126, 128, 132, 134, 136, 138, 140, 142, 144, 146, 150, 152, 154 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

Select[ Range[ 162 ], (Count[ IntegerDigits[ #, 3 ], 1 ]==2)& ]

CROSSREFS

Sequence in context: A102998 A071179 A155475 this_sequence A077654 A095275 A117099

Adjacent sequences: A023690 A023691 A023692 this_sequence A023694 A023695 A023696

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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