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A045086
Numbers whose base-4 representation contains no 1's and exactly one 2.
0
2, 8, 11, 14, 32, 35, 44, 47, 50, 56, 59, 62, 128, 131, 140, 143, 176, 179, 188, 191, 194, 200, 203, 206, 224, 227, 236, 239, 242, 248, 251, 254, 512, 515, 524, 527, 560, 563, 572, 575, 704, 707, 716, 719, 752, 755, 764, 767, 770
OFFSET
1,1
MATHEMATICA
Select[Range[800], DigitCount[#, 4, 1]==0&&DigitCount[#, 4, 2]==1&] (* Harvey P. Dale, May 11 2022 *)
CROSSREFS
Cf. A007090.
Sequence in context: A077820 A360649 A297831 * A366915 A064105 A129516
KEYWORD
nonn,base
STATUS
approved