A045254 Numbers whose base-5 representation contains exactly one 1 and three 4's.

249, 549, 609, 621, 749, 999, 1124, 1149, 1199, 1224, 1229, 1239, 1244, 1245, 1247, 1248, 1499, 1799, 1859, 1871, 2124, 2424, 2484, 2496, 2549, 2609, 2621, 2649, 2699, 2724, 2729, 2739, 2744, 2745, 2747, 2748, 2799, 2859

Offset

1,1

Links

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

Mathematica

Select[Range[3000], DigitCount[#, 5, 1]==1&&DigitCount[#, 5, 4]==3&] (* Harvey P. Dale, Oct 17 2013 *)

Crossrefs

Cf. A007091.

Sequence in context: A030650 A299831 A384030 * A197349 A197400 A371491

Adjacent sequences: A045251 A045252 A045253 * A045255 A045256 A045257

Keyword

nonn,base

Author

Clark Kimberling

Status

approved