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A045154
Numbers whose base-4 representation contains exactly four 2's and one 3.
0
683, 686, 698, 746, 938, 1707, 1710, 1722, 1770, 1962, 2219, 2222, 2234, 2282, 2475, 2478, 2490, 2538, 2603, 2606, 2618, 2667, 2670, 2682, 2699, 2702, 2715, 2718, 2723, 2727, 2732, 2733, 2738, 2742, 2744, 2745, 2762
OFFSET
1,1
MATHEMATICA
Select[Range[3000], DigitCount[#, 4, 2]==4&&DigitCount[#, 4, 3]==1&] (* Harvey P. Dale, Feb 02 2017 *)
CROSSREFS
Cf. A007090.
Sequence in context: A175155 A174105 A320772 * A300193 A234502 A089201
KEYWORD
nonn,base
STATUS
approved