A045092 Numbers whose base-4 representation contains exactly one 1 and two 2's.

26, 38, 41, 74, 98, 104, 107, 110, 122, 134, 137, 146, 152, 155, 158, 161, 164, 167, 173, 182, 185, 218, 230, 233, 266, 290, 296, 299, 302, 314, 386, 392, 395, 398, 416, 419, 428, 431, 434, 440, 443, 446, 458, 482, 488, 491, 494

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Mathematica

Select[Range[500], DigitCount[#, 4, 1]==1&&DigitCount[#, 4, 2]==2&] (* Harvey P. Dale, Jul 04 2013 *)

Crossrefs

Cf. A007090.

Sequence in context: A239604 A213012 A171745 * A106551 A106553 A371696

Adjacent sequences: A045089 A045090 A045091 * A045093 A045094 A045095

Keyword

nonn,base

Author

Clark Kimberling

Status

approved