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A023702 Numbers with exactly 4 2's in ternary expansion of n. 3
80, 161, 188, 215, 224, 233, 236, 239, 240, 241, 323, 404, 431, 458, 467, 476, 479, 482, 483, 484, 512, 539, 548, 557, 560, 563, 564, 565, 593, 620, 629, 638, 641, 644, 645, 646, 656, 665, 668, 671, 672, 673, 683, 692, 695 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

MATHEMATICA

Select[ Range[ 729 ], (Count[ IntegerDigits[ #, 3 ], 2 ]==4)& ]

CROSSREFS

Sequence in context: A134769 A295593 A043332 * A031460 A044993 A043486

Adjacent sequences:  A023699 A023700 A023701 * A023703 A023704 A023705

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified September 27 03:01 EDT 2022. Contains 357051 sequences. (Running on oeis4.)