A045046 Numbers whose base-4 representation contains exactly one 0 and four 2's.

554, 650, 674, 680, 1194, 1578, 1674, 1698, 1704, 2154, 2202, 2214, 2217, 2219, 2222, 2234, 2282, 2346, 2442, 2466, 2472, 2586, 2598, 2601, 2603, 2606, 2618, 2634, 2658, 2664, 2694, 2697, 2699, 2702, 2706, 2712, 2721

Offset

1,1

Links

Table of n, a(n) for n=1..37.

Mathematica

Select[Range[3000], DigitCount[#, 4, 0]==1&&DigitCount[#, 4, 2]==4&] (* Harvey P. Dale, Jun 27 2023 *)

Crossrefs

Cf. A007090.

Sequence in context: A028686 A247531 A171428 * A276802 A205888 A186529

Adjacent sequences: A045043 A045044 A045045 * A045047 A045048 A045049

Keyword

nonn,base

Author

Clark Kimberling

Status

approved