A023701 - OEIS

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A023701

Numbers with exactly 3 2's in their ternary expansion.

3

26, 53, 62, 71, 74, 77, 78, 79, 107, 134, 143, 152, 155, 158, 159, 160, 170, 179, 182, 185, 186, 187, 197, 206, 209, 212, 213, 214, 218, 221, 222, 223, 227, 230, 231, 232, 234, 235, 237, 238, 269, 296, 305, 314, 317, 320, 321

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[ Range[ 324 ], (Count[ IntegerDigits[ #, 3 ], 2 ]==3)& ]

CROSSREFS

Sequence in context: A121738 A335475 A043331 * A031459 A044992 A042338

Adjacent sequences: A023698 A023699 A023700 * A023702 A023703 A023704

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved