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A023709 Numbers with no 1's in base 4 expansion. 3
0, 2, 3, 8, 10, 11, 12, 14, 15, 32, 34, 35, 40, 42, 43, 44, 46, 47, 48, 50, 51, 56, 58, 59, 60, 62, 63, 128, 130, 131, 136, 138, 139, 140, 142, 143, 160, 162, 163, 168, 170, 171, 172, 174, 175, 176, 178, 179, 184, 186, 187, 188 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..52.

MATHEMATICA

Select[ Range[ 0, 200 ], (Count[ IntegerDigits[ #, 4 ], 1 ]==0)& ]

CROSSREFS

Sequence in context: A247580 A028742 A028771 * A317539 A047474 A184797

Adjacent sequences:  A023706 A023707 A023708 * A023710 A023711 A023712

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified May 9 22:42 EDT 2021. Contains 343746 sequences. (Running on oeis4.)