A045146 Numbers whose base-4 representation contains exactly two 2's and three 3's.

703, 751, 763, 766, 943, 955, 958, 1003, 1006, 1018, 1727, 1775, 1787, 1790, 1967, 1979, 1982, 2027, 2030, 2042, 2239, 2287, 2299, 2302, 2495, 2543, 2555, 2558, 2623, 2687, 2767, 2783, 2803, 2807, 2812, 2813, 2863, 2875

Offset

1,1

Links

Table of n, a(n) for n=1..38.

Mathematica

Select[Range[3000], DigitCount[#, 4, 2]==2&&DigitCount[#, 4, 3]==3&] (* Harvey P. Dale, Jun 21 2018 *)

Crossrefs

Cf. A007090.

Sequence in context: A317464 A035852 A214486 * A083735 A161021 A283521

Adjacent sequences: A045143 A045144 A045145 * A045147 A045148 A045149

Keyword

nonn,base

Author

Clark Kimberling

Status

approved