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A023715 Numbers with exactly 2 2's in base 4 expansion. 1
10, 26, 34, 38, 40, 41, 43, 46, 58, 74, 90, 98, 102, 104, 105, 107, 110, 122, 130, 134, 136, 137, 139, 142, 146, 150, 152, 153, 155, 158, 160, 161, 163, 164, 165, 167, 172, 173, 175, 178, 182, 184, 185, 187, 190, 202, 218, 226 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

MATHEMATICA

Select[ Range[ 240 ], (Count[ IntegerDigits[ #, 4 ], 2 ]==2)& ]

CROSSREFS

Sequence in context: A337049 A067264 A043342 * A045143 A005278 A339977

Adjacent sequences:  A023712 A023713 A023714 * A023716 A023717 A023718

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified January 28 03:20 EST 2022. Contains 350654 sequences. (Running on oeis4.)