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A045229
Numbers whose base-5 representation contains exactly three 1's and no 2's.
0
31, 131, 151, 155, 158, 159, 166, 171, 206, 231, 406, 531, 631, 651, 655, 658, 659, 666, 671, 706, 731, 751, 755, 758, 759, 766, 771, 775, 778, 779, 790, 793, 794, 795, 798, 799, 826, 830, 833, 834, 841, 846, 851, 855, 858, 859
OFFSET
1,1
MATHEMATICA
Select[Range[900], DigitCount[#, 5, 1]==3&&DigitCount[#, 5, 2]==0&] (* Harvey P. Dale, Jul 25 2011 *)
CROSSREFS
Cf. A007091.
Sequence in context: A023728 A045259 A045244 * A038475 A141931 A044363
KEYWORD
nonn,base
STATUS
approved