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A045074
Numbers whose base-4 representation contains exactly two 0's and three 3's.
0
783, 819, 828, 963, 972, 1008, 1087, 1231, 1267, 1276, 1807, 1843, 1852, 1987, 1996, 2032, 2111, 2255, 2291, 2300, 2831, 2867, 2876, 3011, 3020, 3056, 3103, 3119, 3127, 3131, 3133, 3134, 3151, 3187, 3196, 3215, 3251
OFFSET
1,1
MATHEMATICA
Select[Range[3300], DigitCount[#, 4, 0]==2&&DigitCount[#, 4, 3]==3&] (* Harvey P. Dale, Oct 12 2015 *)
CROSSREFS
Cf. A007090.
Sequence in context: A158398 A003914 A238925 * A204279 A158399 A007243
KEYWORD
nonn,base
STATUS
approved