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A044376
Numbers n such that string 4,4 occurs in the base 10 representation of n but not of n-1.
0
44, 144, 244, 344, 440, 544, 644, 744, 844, 944, 1044, 1144, 1244, 1344, 1440, 1544, 1644, 1744, 1844, 1944, 2044, 2144, 2244, 2344, 2440, 2544, 2644, 2744, 2844, 2944, 3044, 3144, 3244, 3344, 3440, 3544, 3644, 3744, 3844
OFFSET
1,1
CROSSREFS
Sequence in context: A183642 A183634 A043506 * A102438 A044757 A204033
KEYWORD
nonn,base
STATUS
approved