A045160 Numbers whose base-5 representation contains no 0's and exactly three 1's.

31, 157, 158, 159, 161, 166, 171, 181, 206, 231, 281, 406, 531, 787, 788, 789, 792, 793, 794, 797, 798, 799, 807, 808, 809, 811, 816, 821, 832, 833, 834, 836, 841, 846, 857, 858, 859, 861, 866, 871, 907, 908, 909, 911, 916, 921

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Mathematica

Select[Range[1000], DigitCount[#, 5, 0]==0&&DigitCount[#, 5, 1]==3&] (* Harvey P. Dale, Oct 27 2019 *)

Crossrefs

Cf. A007091.

Sequence in context: A134553 A042880 A042882 * A142906 A157373 A058285

Adjacent sequences: A045157 A045158 A045159 * A045161 A045162 A045163

Keyword

nonn,base

Author

Clark Kimberling

Status

approved