A045227 Numbers whose base-5 representation contains exactly two 1's and two 2's.

162, 182, 186, 282, 286, 306, 662, 682, 686, 762, 802, 810, 813, 814, 817, 822, 837, 862, 882, 886, 902, 910, 913, 914, 917, 922, 926, 930, 933, 934, 941, 946, 957, 961, 982, 986, 1037, 1057, 1061, 1162, 1182, 1186, 1282, 1286

Offset

1,1

Links

Table of n, a(n) for n=1..44.

Mathematica

Select[Range[1300], DigitCount[#, 5, 1]==DigitCount[#, 5, 2]==2&] (* Harvey P. Dale, Sep 18 2018 *)

Crossrefs

Cf. A007091.

Sequence in context: A081724 A025374 A025365 * A066476 A259220 A107120

Adjacent sequences: A045224 A045225 A045226 * A045228 A045229 A045230

Keyword

nonn,base

Author

Clark Kimberling

Status

approved