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A044967
Numbers whose base-3 representation contains no 0's and exactly two 1's.
0
4, 14, 16, 22, 44, 50, 52, 68, 70, 76, 134, 152, 158, 160, 206, 212, 214, 230, 232, 238, 404, 458, 476, 482, 484, 620, 638, 644, 646, 692, 698, 700, 716, 718, 724, 1214, 1376, 1430, 1448, 1454, 1456, 1862, 1916, 1934, 1940, 1942
OFFSET
1,1
MATHEMATICA
Select[Range[2000], DigitCount[#, 3, 0]==0&&DigitCount[#, 3, 1]==2&] (* Harvey P. Dale, May 31 2016 *)
CROSSREFS
Cf. A007089.
Sequence in context: A101237 A180333 A030364 * A298126 A011859 A032825
KEYWORD
nonn,base
STATUS
approved