A045257 - OEIS

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A045257

Numbers whose base-5 representation contains exactly two 1's and two 4's.

174, 234, 246, 534, 546, 606, 674, 734, 746, 774, 824, 849, 854, 864, 869, 870, 872, 873, 924, 984, 996, 1049, 1109, 1121, 1134, 1146, 1154, 1164, 1169, 1170, 1172, 1173, 1184, 1196, 1209, 1221, 1226, 1230, 1232, 1233, 1236

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..3000

MATHEMATICA

Select[Range[1500], DigitCount[#, 5, 1]==DigitCount[#, 5, 4]==2&] (* Harvey P. Dale, Apr 21 2014 *)

CROSSREFS

Cf. A007091.

Sequence in context: A160660 A025390 A377875 * A025381 A168349 A179136

Adjacent sequences: A045254 A045255 A045256 * A045258 A045259 A045260

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved