A045007 Numbers whose base-3 representation contains exactly three 0's and three 2's.

494, 506, 510, 542, 546, 558, 650, 654, 666, 702, 755, 791, 803, 807, 899, 911, 915, 947, 951, 963, 1223, 1235, 1239, 1271, 1275, 1287, 1379, 1383, 1395, 1431, 1475, 1481, 1483, 1493, 1505, 1509, 1517, 1519, 1523, 1527

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1560

Mathematica

Select[Range[2000], DigitCount[#, 3, 0]==DigitCount[#, 3, 2]==3 &] (* Vincenzo Librandi, Jul 25 2014 *)

Crossrefs

Cf. A007089.

Sequence in context: A116207 A363391 A264327 * A062903 A363050 A347891

Adjacent sequences: A045004 A045005 A045006 * A045008 A045009 A045010

Keyword

nonn,base

Author

Clark Kimberling

Status

approved