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A045141
Numbers whose base-4 representation contains exactly one 2 and three 3's.
0
191, 239, 251, 254, 447, 495, 507, 510, 575, 639, 719, 735, 755, 759, 764, 765, 815, 827, 830, 879, 891, 894, 911, 927, 947, 951, 956, 957, 971, 974, 987, 990, 995, 999, 1004, 1005, 1010, 1014, 1016, 1017, 1215, 1263, 1275
OFFSET
1,1
MATHEMATICA
Select[Range[1300], DigitCount[#, 4, 2]==1&&DigitCount[#, 4, 3]==3&] (* Harvey P. Dale, May 07 2019 *)
CROSSREFS
Cf. A007090.
Sequence in context: A141868 A059244 A136068 * A046010 A146361 A229075
KEYWORD
nonn,base
STATUS
approved