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A045091 Numbers whose base-4 representation contains exactly one 1 and one 2. 0
6, 9, 18, 24, 27, 30, 33, 36, 39, 45, 54, 57, 66, 72, 75, 78, 96, 99, 108, 111, 114, 120, 123, 126, 129, 132, 135, 141, 144, 147, 156, 159, 177, 180, 183, 189, 198, 201, 210, 216, 219, 222, 225, 228, 231, 237, 246, 249, 258, 264 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A007090.
Sequence in context: A320492 A316071 A039280 * A086955 A270794 A297623
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified March 28 12:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)