A045093 Numbers whose base-4 representation contains exactly one 1 and three 2's.

106, 154, 166, 169, 298, 394, 418, 424, 427, 430, 442, 490, 538, 550, 553, 586, 610, 616, 619, 622, 634, 646, 649, 658, 664, 667, 670, 673, 676, 679, 685, 694, 697, 730, 742, 745, 874, 922, 934, 937, 1066, 1162, 1186, 1192

Offset

1,1

Links

Table of n, a(n) for n=1..44.

Mathematica

Select[Range[1200], DigitCount[#, 4, 1]==1&&DigitCount[#, 4, 2]==3&] (* Harvey P. Dale, Apr 21 2016 *)

Crossrefs

Cf. A007090.

Sequence in context: A250643 A163625 A070796 * A304978 A078776 A188006

Adjacent sequences: A045090 A045091 A045092 * A045094 A045095 A045096

Keyword

nonn,base

Author

Clark Kimberling

Status

approved