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A044905 Numbers whose base-4 run lengths alternate: odd, even, odd, ... 0
1, 2, 3, 16, 21, 26, 31, 32, 37, 42, 47, 48, 53, 58, 63, 65, 66, 67, 104, 105, 107, 124, 125, 126, 129, 130, 131, 148, 150, 151, 188, 189, 190, 193, 194, 195, 212, 214, 215, 232, 233, 235, 256, 336, 341, 346, 351, 426, 511, 512, 597 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Cf. A007090.
Sequence in context: A061918 A122656 A171458 * A045877 A261840 A100643
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified February 26 20:11 EST 2024. Contains 370352 sequences. (Running on oeis4.)