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A045259
Numbers whose base-5 representation contains exactly three 1's and no 4's.
0
31, 131, 151, 155, 157, 158, 161, 166, 181, 206, 281, 406, 631, 651, 655, 657, 658, 661, 666, 681, 706, 751, 755, 757, 758, 761, 766, 775, 777, 778, 785, 787, 788, 790, 792, 793, 801, 805, 807, 808, 811, 816, 826, 830, 832, 833
OFFSET
1,1
MATHEMATICA
Select[Range[1000], DigitCount[#, 5, 1]==3&&DigitCount[#, 5, 4]==0&] (* Harvey P. Dale, Apr 05 2015 *)
CROSSREFS
Cf. A007091.
Sequence in context: A183838 A043355 A023728 * A045244 A045229 A038475
KEYWORD
nonn,base
STATUS
approved